The older we grow the greater becomes our wonder at how much ignorance one can contain without bursting one's clothes.

Enthusiasm is caught, not taught.

Independence-is loyalty to one's best self and principles, and this is often disloyalty to the general idols and fetishes.

Whatever you say, say it with conviction

Monarchies, aristocracies, and religions....there was never a country where the majority of the people were in their secret hearts loyal to any of these institutions.

The fact that man knows right from wrong proves his intellectual superiority to the other creatures; but the fact that he can do wrong proves his moral inferiority to any creatures that cannot.

It is higher and nobler to be kind.