General Sayings

The important thing is not to stop questioning. Curiosity has its own reason for existence.

It is surely harmful to souls to make it a heresy to believe what has been proved.

It is a wonderful fact that we can understand so much.

No man is regular in his attendance at the House of Commons until he is married.

It is not often that a man has the opportunity to be useful to his fellow citizens without any personal risk.

The value of pi is more than 3 10/71 and less than 3 1/7.

Learning never exhausts the mind.

It was impossible to convince the people generally that we were not a pair of lunatics.

We are not interested in the fact that the machine can do well, but in the fact that it can do badly.

Conversation, like certain portions of the anatomy, always runs more smoothly when lubricated.

We are a way for the universe to know itself.

Kids are born scientists. They're born with a sense of wonder and a desire to explore.

Chimpanzees have taught me that the difference between us and them is not as big as we once thought.

Anyone who considers arithmetical methods of producing random digits is, of course, in a state of sin.

It is not a question of whether we will go to Mars, but when.

The Earth is spherical, not flat.

It is not the eye that sees, but the soul that sees through the eye.

Experiment, without reason, is blind; reason, without experiment, is lame.

The problem with quotes on the Internet is that you never know if they're authentic.

The only thing we have to fear is fear itself.