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.

There is one thing we know about meaning, that meaning consists in attachment to something bigger than you are. The larger the thing that you can credibly attach yourself to, the more meaning you get out of life.

If you put a large switch in some cave somewhere, and a sign on it saying, "End-of-the-World Switch. PLEASE TO NOT TOUCH," the paint wouldn't even have time to dry.

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 essence of being human is being creative.

The only reason Toronto is no longer the dullest city on earth is that it is no longer full of Anglo-Canadians. It is full of Hong Kong Chinese. And not a few Italians.

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