Caring is irrelevant. Desire to do good is irrelevant. All that counts is knowledge and results

Nobody dares to solve the problems-because the solution might contradict your philosophy, and for most people clinging to beliefs is more important than succeeding in the world.

The belief that there are other life forms in the universe is a matter of faith. There is not a single shred of evidence for any other life forms, and in forty years of searching, none has been discovered. There is absolutely no evidentiary reason to maintain this belief.

In other centuries, human beings wanted to be saved, or improved, or freed, or educated. But in our century, they want to be entertained. The great fear is not of disease or death, but of boredom. A sense of time on our hands, a sense of nothing to do. A sense that we are not amused.

They didn't understand what they were doing. I'm afraid that will be on the tombstone of the human race.

The rules of grammar exist in large part to permit readers and writers to operate from a shared set of expectations.

I tended to faint when I saw accident victims in the emergency ward, during surgery, or while drawing blood.