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

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

Life means progress, and progress means suffering.

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.

Any formal attack on ignorance is bound to fail because the masses are always ready to defend their most precious possession - their ignorance.

High in the North in a land called Svithjod there is a mountain. It is a hundred miles long and a hundred miles high and once every thousand years a little bird comes to this mountain to sharpen its beak. When the mountain has thus been worn away a single day of eternity will have passed

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