You have power over your mind - not outside events. Realize this, and you will find strength.

We know very little, and yet it is astonishing that we know so much, and still more astonishing that so little knowledge can give us so much power.

Vote: the instrument and symbol of a freeman's power to make a fool of himself and a wreck of his country.

The world is full of injustice, and those who profit by injustice are in a position to administer rewards and punishments. The rewards go to those who invent ingenious justifications for inequality, the punishments to those who try to remedy it.

The ultimate value of life depends upon awareness and the power of contemplation rather than upon mere survival.

The power of accurate observation is commonly called cynicism by those who have not got it.

The only difference between the sane and the insane is that the sane have the power to lock up the insane.

The attempt to combine wisdom and power has only rarely been successful and then only for a short while.

Power does not corrupt men; fools, however, if they get into a position of power, corrupt power.

Nearly all men can stand adversity, but if you want to test a man's character, give him power.

It is in your own power to maintain the beauty of your soul, or to be a decent human being.

Is the power who is jealous of our prosperity, a proper power to govern us?

Everyone who has ever built anywhere a new heaven first found the power thereto in his own hell.

Education is the development of power and ideal.

Each morning when I open my eyes I say to myself: I, not events, have the power to make me happy or unhappy today.

Dream no small dreams for they have no power to move the hearts of men.

Beware of dissipating your powers strive constantly to concentrate them.