The history of creation is but a succession of battles between amateurs of genius-inspired heretics- and orthodox professionals.

It seems a long time since the morning mail could be called correspondence.

I once worked as a salesman and was very independent. I took orders from no one.

In teaching you cannot see the fruit of a day's work. It is invisible and remains so, maybe for twenty years.

The sole justification of teaching, of the school itself, is that the student comes out of it able to do something he could not do before. I say do and not know, because knowledge that doesn't lead to doing something new or doing something better is not knowledge at all.

Grab a pen and put down some words - your name even - and a title: something to see, to revise, to carve, to do over in the opposite way

Above all, do not talk yourself out of good ideas by trying to expound them at haphazard meetings.