In history as in life it is success that counts. Start a political upheaval and let yourself be caught, and you will hang as a traitor. But place yourself at the head of a rebellion and gain your point, and all future generations will worship you as the Father of their Country.

The foundation for a new era was laid but yesterday. The human was given its first chance to become truly civilised when it took courage to question all things and made 'knowledge and understanding' the foundation upon which to create a more reasonable and sensible society of human beings.

It is little enough we know and the rest is darkness.

Great art... is the result of the labours of thousands of faithful craftsmen who know that they are doomed to remain for ever outside the gates of the Paradise of Perfection, but who nevertheless will give the very best there is in them because the work they do means more to them than anything else in this world.

A few drops of science will often disinfect an entire barrel full of ignorance and prejudice.

In such a case the writer is apt to have recourse to epigrams. Somewhere in this world there is an epigram for every dilemma.

Life means progress, and progress means suffering.