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

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

The essence of being human is being creative.

The Harvard Law of Animal Behavior holds that under controlled experimental conditions of temperature, time, lighting, feeding, and training, the organism will behave as it damn well pleases.

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 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.

The hallmark of the Renaissance was its holistic quality as all fields of art, engineering, science and culture shared the same exciting spirit and many of the same intellectual principles.