A noble person attracts noble people, and knows how to hold on to them.

Mannerism is always longing to have done, and has no true enjoyment in work. A genuine, really great talent, on the other hand, has its greatest happiness in execution.

A mathematician is only perfect insofar as he is a perfect man, sensitive to the beauty of truth.

When intelligent and sensible people despise knowledge in their old age, it is only because they have asked too much of it and of themselves.

Love does not rule; but it trains, and that is more.

In politics people throw themselves, as on a sickbed, from one side to the other in the belief they will lie more comfortably.

There is no crime of which I do not deem myself capable.