Humankind's constant effort to fix its shortcomings is what drives human history.

There are three levels of happiness: the pleasant life, the good life, and the meaningful life.

Transcendence is the only real alternative to extinction. This is serious. This may be the ultimate final exam.

The physician who waits until dead certain of a diagnosis before acting is likely to wind up with a dead patient. Sometimes things develop so rapidly that only early action-back when you're still somewhat uncertain-stands a chance of being effective, as in catching cancer before it metastasizes.

Informing all of Carson's work was the idea that although human beings are part of nature, we are distinguished by our power to alter it irreversibly.

The essence of being human is being creative.

The theory of meaning says that joining and serving in things larger than you that you believe in while using your highest strengths is a recipe for meaning.