Portrait of Felix Klein

Felix Klein

1849–1925

German mathematician

Regarding the fundamental investigations of mathematics, there is no final ending…no first beginning.

TOPICS: philosophy

Everyone knows what a curve is, until he has studied enough mathematics to become confused through the countless number of possible exceptions.

TOPICS: learning

Thus, in a sense, mathematics has been most advanced by those who distinguished themselves by intuition rather than by rigorous proofs.

TOPICS: history, intuition