The Value of Future Lives
Imagine finding a heavy, locked chest buried in your backyard that contains enough gold to support your family for ten generations. Would you spend all the treasure on a single weekend party, or would you invest it so your descendants live in comfort for centuries? Most people agree that saving for the future is a moral duty because our choices today directly shape the quality of life for those who follow us. This simple intuition serves as the foundation for how we value the lives of people who do not exist yet.
The Logic of Temporal Impartiality
When we evaluate the moral weight of our actions, we often fall into the trap of temporal discounting. This is the tendency to value immediate benefits much more than future rewards, even when the future rewards are significantly larger. Philosophers argue that time is merely a coordinate, similar to physical distance, and it should not determine the intrinsic value of a human life. If we imagine a person living five hundred years from now, their ability to experience pain, joy, or purpose is identical to someone living today. To treat their future needs as less important simply because they exist later in time is a form of bias that lacks a strong logical basis.
Think of this like a long bridge connecting two cities. If you stand on the bridge, the people walking toward you from the far side are just as real as the people walking beside you. Just because they have not reached your specific spot on the bridge yet does not mean they lack value or existence. By choosing to ignore their needs, we act as if our current moment is the only one that truly matters. This perspective creates a distorted moral map where we prioritize small gains for ourselves over massive benefits for the vast number of people who will inhabit the future.
Weighing Future Potential Impact
To better understand how we should distribute resources, we can look at the scale of human existence across the timeline. We are currently a small fraction of the total number of humans who will eventually live if we manage to survive our current challenges. If we value each individual equally, the sheer volume of future people suggests that their collective well-being should be our primary concern. This does not mean we should ignore the present, but it does mean we must consider the long-term ripple effects of our current investments. Small actions taken today can compound over time, much like interest in a savings account, to create massive improvements for those who come after us.
We can organize these different approaches to future value by looking at how they treat time as a factor in our decision-making process:
- Presentism assumes that only the people currently alive have moral claims on our resources, which often leads to short-term thinking that ignores long-term risks.
- Temporal Impartiality treats all human lives as equally valuable, regardless of when they exist, which encourages us to protect future generations from preventable disasters.
- Discounting Models apply a mathematical reduction to the value of future lives, which effectively treats future people as less significant than those living in the present day.
By comparing these frameworks, we see that the choice to value the future is not just a preference but a logical commitment to fairness. If we accept that our own lives have value, we must logically extend that same value to every other person who will ever exist. This creates a powerful incentive to act as responsible stewards of the world we share. We are not just living for ourselves; we are the guardians of a vast, unfolding future that depends on the choices we make right now.
The moral value of a human life remains constant regardless of its position in time, requiring us to protect the interests of future generations with the same urgency as our own.
The next Station introduces Counterfactual Thinking, which determines how we evaluate alternative actions to ensure we are actually creating the most positive impact possible.