Nothing has to be true, but everything has to sound true.

One thought that occurs to me is that men will continue to withdraw from nature in order to create an environment that will suit them better.

A scientist is as weak and human as any man, but the pursuit of science may ennoble him even against his will.

When people thought the earth was flat, they were wrong. When people thought the earth was spherical, they were wrong. But if you think that thinking the earth is spherical is just as wrong as thinking the earth is flat, then your view is wronger than both of them put together.

Scientists expect to be improved on and corrected; they hope to be

The human mind works at low efficiency. Twenty percent is the figure usually given. When, momentarily, there is a flash of greater power, it is termed a hunch, or insight, or intuition.

It seems to me that God is a convenient invention of the human mind