Card 01

🚂 ⚡ 🛤️

A runaway trolley will kill 5 people. You can pull a lever to divert it to a track where it will kill only 1 person. Should you pull the lever?

💭 Think About It

This is philosophy's most famous thought experiment. It seems simple—5 lives vs 1—but it exposes deep tensions in how we think about right and wrong. Your answer reveals which moral principles you rely on.

Should you pull the lever?

🎯 Explain your thinking

Why did you choose this answer?

🔒 Start writing to unlock hints

Your reasoning follows UTILITARIANISM: maximize good outcomes. 5 deaths is worse than 1 death.

🏥 Example 1: Hospitals do this—triage prioritizes saving more lives when resources are limited.

🚗 Example 2: Self-driving cars may need to make similar split-second calculations.

From this view, NOT pulling makes you responsible for 4 unnecessary deaths!

New scenario: You're on a footbridge. The only way to stop the trolley is to PUSH a large man off—his body will stop it, saving 5.

🤔 Example 1: Same math: 1 death saves 5. Would you push him?

😰 Example 2: Most people say YES to the lever but NO to pushing. Why?

If pure math is right, pushing should feel the same as pulling. But it doesn't!

Pure utilitarian math has uncomfortable implications:

💉 Example 1: Should we kill 1 healthy person to harvest organs for 5 dying patients? The math says yes!

⚖️ Example 2: Should we frame an innocent person if it prevents a riot that kills many? Numbers say yes!

Something feels WRONG here. Maybe outcomes aren't everything?

Saying "Yes, pull it" shows you value CONSEQUENCES highly. That's a valid moral framework!

💡 But consider: Most people who pull the lever WON'T push the man. This reveals we ALSO care about:

• HOW we cause harm (direct vs indirect)

• Whether we USE someone as a tool

• Personal involvement and intention

Our moral thinking is more complex than simple math!

Great instinct! "It depends" often reveals sophisticated thinking. Let's explore what factors matter:

👤 Example 1: What if the 1 person is a child and the 5 are elderly? Does that change things?

👨‍👩‍👧 Example 2: What if the 1 person is your family member?

Already we see: "just count the numbers" might be too simple!

The footbridge variation: Instead of a lever, you must PUSH someone to their death to save 5.

🎯 Example 1: Same outcome (1 dies, 5 live) but most people refuse to push.

🤲 Example 2: Physical contact makes it feel more like murder than the lever does.

This suggests HOW we act matters morally, not just the outcome!

Your "it depends" intuition captures a real philosophical tension:

📊 UTILITARIANISM: Only outcomes matter. 5 > 1. Pull the lever, push the man—same thing.

📜 DEONTOLOGY: Some actions are wrong regardless of outcomes. "Don't kill" is a rule. Don't become a killer.

Most people use BOTH frameworks—which is why "it depends" feels right!

"It depends" isn't avoiding the question—it's recognizing its true complexity!

💡 Key insight: We balance multiple moral considerations:

• Outcomes (how many saved)

• Methods (direct vs indirect harm)

• Intentions (trying to save vs trying to kill)

• Relationships (strangers vs loved ones)

Real moral wisdom involves weighing all these, not just counting!

Your choice follows DEONTOLOGY: some actions are wrong regardless of outcomes.

⚖️ Example 1: "Don't kill" is a moral rule. If you pull the lever, YOU become the killer.

🚂 Example 2: Without your intervention, the trolley kills—not you. There's a difference!

This view says: don't become a murderer, even to prevent deaths.

By not pulling, you CHOOSE to let 5 die when you could have saved them.

🏥 Example 1: A doctor who refuses to perform a risky surgery (that might save 5 but kill 1) lets all 5 die. Is that better?

🤔 Example 2: If you could easily prevent a tragedy but choose not to, are your hands really clean?

Is "letting die" really so different from "killing"?

Strict "never kill" rules have their own problems:

🔫 Example 1: Should you never kill even in self-defense? Even to stop a mass shooter?

💊 Example 2: Should we never give a patient medication that might shorten their life but reduce suffering?

Absolute rules can sometimes lead to more harm than they prevent.

Saying "No, don't pull" shows you value PRINCIPLES over outcomes. That's a valid moral framework!

💡 Key insight: You believe some lines shouldn't be crossed, even for good reasons:

• Personal moral integrity matters

• We shouldn't "play God" with lives

• The ends don't always justify the means

But most people feel the tension—there's no easy answer here!

There's no "right" answer—the value of this problem is what it reveals about how we think about morality!

Two major ethical frameworks:

• Utilitarianism: Pull the lever! 5 > 1. Best outcomes for most people.

• Deontology: Maybe don't. "Don't kill" is a rule. Pulling makes YOU the killer.

The footbridge variation reveals more:

• Same math: 1 death saves 5

• But most people refuse to push

• This shows we DON'T use pure utilitarian logic

• Personal vs impersonal harm feels different

Key distinctions in our moral thinking:

• Killing vs letting die: We treat active harm as worse

• Using vs redirecting: Using someone as a tool feels wrong

• Intention: What you're trying to do matters

• Personal involvement: Physical contact increases reluctance

What this teaches us:

• Our moral intuitions are complex and sometimes inconsistent

• We use multiple ethical frameworks, not just one

• Philosophy helps us examine and refine our moral thinking

🌈 Different Perspectives to Consider

It Depends Multiple factors matter

Real moral decisions involve weighing outcomes, methods, intentions, and relationships. Most of us don't follow just one framework.

Yes, Pull Consequences matter most

5 lives saved is better than 1. Not acting is also a choice—and choosing more deaths is worse.

No, Don't Pull Some lines shouldn't be crossed

Actively killing someone—even to save others—makes you a killer. Some principles matter more than outcomes.

🤔 Which thinking lens(es) did you use?

Select all the lenses you used:

Learn more about the 7 Thinking Lenses →

👨‍👩‍👧 For Parents & Teachers

🌱 A Small Everyday Story

"I'd pull the lever," said Arjun.
"I'd push the man," said Riya.
"Wait—isn't that the same?" asked Arjun.
"No! Pushing feels... different. More wrong."
"But why? The numbers are the same!"
They couldn't explain it—but they felt it.
That was exactly the point of the exercise.

See more guidance →

🧠 Thinking habits this builds:

Examining moral intuitions rather than just following them
Understanding different ethical frameworks
Recognizing that moral questions can have genuine complexity
Distinguishing between outcomes and actions

🌿 Behaviors you may notice (and reinforce):

Articulating WHY something feels right or wrong
Noticing when intuitions conflict with reasoning
Considering multiple ethical perspectives
Asking about the principles behind moral judgments

How to reinforce: When moral questions arise (in news, stories, life), ask: "Is this more about consequences or principles?" Help them see that reasonable people can weight these differently.

🔄 When ideas are still forming:

Some learners may want a "right answer" or may find moral ambiguity uncomfortable. Help them see that examining moral reasoning is valuable even without definitive answers—it helps us understand and articulate our values.

Helpful response: "Philosophy often doesn't give us answers—it helps us understand the questions better. Knowing WHY you believe something is as important as knowing WHAT you believe."

🔬 If you want to go deeper:

Study Philippa Foot's original trolley problem
Explore Judith Jarvis Thomson's variations
Discuss how self-driving cars are programmed for dilemmas

Key concepts (for adults): Trolley problem, utilitarianism, deontology, doctrine of double effect, moral psychology, killing vs letting die, using as means.