Great geniuses have the shortest biographies.

The moral equalizes all; enriches, empowers all. It is the coin which buys all, and which all find in their pocket. Under the whipof the driver, the slave shall feel his equality with saints and heroes.

What I must do is all that concerns me, not what people think. This rule,equally arduous in actual and intellectual life, may serve for the whole distinction between greatness and meanness. It is the harder, because you will always find those who think they know what is your duty better than you know it. It is easy in the world to live after the world's opinion; it is easy in solitude to live after our own; but the great man is he who in the midst of the crowd keeps with perfect sweetness the independence of solitude.

Dear to us are those who love us... but dearer are those who reject us as unworthy, for they add another life; they build a heaven before us whereof we had not dreamed, and thereby supply to us new powers out of the recesses of the spirit, and urge us to new and unattempted performances.

I have thought a sufficient measure of civilization is the influence of good women.

The sea, washing the equator and the poles, offers its perilous aid, and the power and empire that follow it... ''Beware of me,'' it says, ''but if you can hold me, I am the key to all the lands.

If a teacher have any opinion which he wishes to conceal, his pupils will become as fully indoctrinated into that as into any which he publishes.