The greatest discovery of all time is that a person can change his future by merely changing his attitude.

A great part of courage is the courage of having done the thing before.

Death comes to all, but great achievements build a monument which shall endure until the sun grows cold.

Bitter experience has taught us how fundamental our values are and how great the mission they represent.

I believe in the fundamental truth of all great religions of the world.

The greatest good you can do for another is not just to share your riches but to reveal to him his own.

To accomplish great things, we must not only act, but also dream not only plan, but also believe.

The great thing in the world is not so much where we stand, as in what direction we are moving.

To be conscious that you are ignorant of the facts is a great step to knowledge.

All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.