Don't ever take a fence down until you know why it was put up.

I don't know who my grandfather was; I'm much more concerned to know what his grandson will be.

The duty of youth is to challenge corruption.

You don't need a weather man to know which way the wind blows

Make today worth remembering.

I long to accomplish a great and noble task; but it is my chief duty to accomplish small tasks as if they were great and noble

I not only use all the brains that I have, but all that I can borrow.

Perseverance and spirit have done wonders in all ages.

My dear friend, clear your mind of cant.

The key to immortality is first living a life worth remembering.

The great art of life is sensation, to feel that we exist, even in pain.

Sovereignty is not given, it is taken.

Do not be afraid. Do not be satisfied with mediocrity. Put out into the deep and let down your nets for a catch.

No matter what people tell you, words and ideas can change the world.

If my mind can conceive it, and my heart can believe it - then I can achieve it.

Memories of our lives, of our works and our deeds will continue in others.

To See a World in a Grain of Sand And a Heaven in a Wild Flower, Hold Infinity in the palm of your hand And Eternity in an hour.

Impossible is a word to be found only in the dictionary of fools.

I invented my life by taking for granted that everything I did not like would have an opposite, which I would like.

Good thoughts bear good fruit, bad thoughts bear bad fruit.

Effort only fully releases its reward after a person refuses to quit.