In theory, theory and practice are the same. In practice, they are not.

Go out as far as you can go and start from there

Man would indeeded be in a poor way if he had to be restrained by fear of punishment and hope of reward after death.

Galileo - the father of modern physics - indeed of modern science.

I was originally supposed to become an engineer but the thought of having to expend my creative energy on things that make practical everyday life even more refined, with a loathsome capital gain as the goal, was unbearable to me.

The time comes in life when we have read enough. It's time to stop reading. It's time to lay down the books and write.

I used to go away for weeks in a state of confusion.