Dissent is the mark of freedom.

The human baby, the human being, is a mosaic of animal and angel.

Sex was invented as a biological instrument by (say) the green algae. But as an instrument in the ascent of man which is basic to his cultural evolution, it was invented by man himself.

No science is immune to the infection of politics and the corruption of power. ... The time has come to consider how we might bring about a separation, as complete as possible, between Science and Government in all countries. I call this the disestablishment of science, in the same sense in which the churches have been disestablished and have become independent of the state.

Dissent is the mark of freedom.

Revolutions are not made by fate but by men.

To me the most interesting thing about man is that he is an animal who practices art and science and in every known society practices both together.