It is a clear gain to sacrifice pleasure in order to avoid pain.

As a general rule, the longer a man's fame is likely to last, the later it will be in coming; for all excellent products require time for their development.

That which knows all things and is known by none is the subject.

Religion is the metaphysics of the masses.

If the world were a paradise of luxury and ease, a land flowing with milk and honey, where every Jack obtained his Jill at once and without any difficulty, men would either die of boredom or hang themselves; or there would be wars, massacres, and murders; so that in the end mankind would inflict more suffering on itself than it has now to accept at the hands of Nature.

The weakness of their reasoning faculty also explains why women show more sympathy for the unfortunate than men;... and why, on the contrary, they are inferior to men as regards justice, and less honourable and conscientious.

The greatest achievements of the human mind are generally received with distrust.