The man of genius is he and he alone who finds such joy in his art that he will work at it come hell or high water.
Great ladies are no more spiteful than the average rich woman; but one acquires in their society a greater susceptibility, and feels more profoundly andmore irremediably, their unpleasant remarks.
Mathematics allows for no hypocrisy and no vagueness.
What is really beautiful must always be true.
This is the curse of our age, even the strangest aberrations are no cure for boredom.
In our calling, we have to choose; we must make our fortune either in this world or in the next, there is no middle way.