An artist never really finishes his work, he merely abandons it.

Power without abuse loses its charm.

Science is feasible when the variables are few and can be enumerated; when their combinations are distinct and clear. We are tending toward the condition of science and aspiring to do it. The artist works out his own formulas; the interest of science lies in the art of making science.

Liberty is the hardest test that one can inflict on a people. To know how to be free is not given equally to all men and all nations.

To hit someone means to adopt his point of view.

One should be light like a bird, and not like a feather.

Love is being stupid together.