At the heart of every human action lies a fascinating relationship between two different types of desires: Hypothetical desires are conditional, they depend on specific circumstances or goals and can be expressed as "if-then" statements. For instance, if I want to stay healthy, then I should exercise regularly. These desires are tied to particular conditions and disappear when those conditions change. In contrast, Categorical desires are unconditional, they don't depend on external circumstances but represent fundamental commitments that persist regardless of our immediate situation. The relationship between these two types of desires reveals something profound about how we navigate life: our moment-to-moment impulses and needs actually emerge from and give expression to our most enduring values and deepest sense of purpose.
Consider my own relationship with rest and flourishing. When I find myself exhausted after a long day, my desire to sleep becomes pressing and immediate. This desire to rest is hypothetical, it operates on a simple conditional logic: if I am tired, then I have reason to seek sleep. The imperative only applies when the condition of fatigue is present. When I'm well-rested and energized, this particular desire simply doesn't exist, the conditional premise no longer holds, and the drive toward sleep naturally dissolves.
Yet beneath this surface-level need lies something far more fundamental and enduring. My desire to flourish as a human being — to live well, to develop my potential, to experience meaning and fulfillment — operates as a categorical desire. Unlike my conditional need for rest, this deeper longing for flourishing requires no specific circumstances to justify it. For as long as I exist, I have an unconditional reason to act in ways that promote my overall well-being. Whether I'm tired or alert, busy or leisurely, young or old, this fundamental commitment to living a good life remains constant.
The beauty of this relationship becomes clear when I recognize how my hypothetical desire to sleep actually serves my categorical desire to flourish. Rest is more than just about satisfying a biological need, it's one of many means through which I express and fulfill my deeper commitment to well-being. My sleep becomes a constituent element of flourishing, not just an instrument toward it. Similarly, when I choose to stay awake to complete meaningful work despite feeling tired, I'm expressing the same categorical commitment through different means. Both rest and productive activity, though seemingly contradictory, serve the same unconditional end of living well — as I write this at 1 AM.