Time, matter, space - all, it may be, are no more than a point.

The philosopher forms his principles on an infinity of particular observations. He does not confuse truth with plausibility, he takes for truth what is true, for false what is false, for doubtful what is doubtful, and probable what is probable. The philosophical spirit is thus a spirit of observation and accuracy.

Oh! how near are genius and madness! Men imprison them and chain them, or raise statues to them.

My ideas are my whores.

Do you see this egg? With this you can topple every theological theory, every church or temple in the world.

Time, matter, space - all, it may be, are no more than a point.

All children are essentially criminal.