Alan Turing

The most important thing for a mathematician is intuition.

I am not afraid of computers. I am afraid of the people who program them.

The future belongs to those who believe in the beauty of their dreams.

The only way to do great work is to love what you do.

If you cannot explain it simply, you do not understand it well enough.

The greatest obstacle to discovery is not ignorance, but the illusion of knowledge.

The only real valuable thing is intuition.

The important thing is not to stop questioning.

Logic will get you from A to B. Imagination will take you everywhere.

I am enough of an artist to draw freely upon my imagination.

The true sign of intelligence is not knowledge but imagination.

Science without religion is lame, religion without science is blind.

The most beautiful thing we can experience is the mysterious.

The only constant in life is change.

We are all stardust.

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

The extent to which we regard something as a machine is a matter of degree.

The machine has to be able to do something which it has never been programmed to do.

The idea behind digital computers may be explained by saying that these machines are intended to carry out any operations which could be done by a human computer.

We are trying to construct a machine which will be able to do everything that a man can do.