Mathematicians are born, not made. Votes: 6

Facts do not speak. Votes: 5

Thus, they are free to replace some objects by others so long as the relations remain unchanged. Votes: 0

To invent is to discern, to choose. Votes: 0

[T]he different branches of Arithmetic - Ambition [G]eometry is not true, it is advantageous. Votes: 0

A cat is witty, he has nerve, he knows how to do precisely the right thing at the right moment. Votes: 0

Later generations will regard Mengenlehre (set theory) as a disease from which one has recovered. Votes: 0