Our patience will achieve more than our force.
When I'm good, I'm very good, but when I'm bad, I'm better.
Great spirits have always encountered violent opposition from mediocre minds.
I don't know who my grandfather was; I'm much more concerned to know what his grandson will be.
When every physical and mental resource is focused, one's power to solve a problem multiplies tremendously.
We should not give up and we should not allow the problem to defeat us.
This is one small step for a man, one giant leap for mankind.
The starting point of all achievement is desire. Keep this constantly in mind. Weak desires bring weak results, just as a small amount of fire makes a small amount of heat.
Don't get set into one form, adapt it and build your own, and let it grow, be like water.
A goal is not always meant to be reached, it often serves simply as something to aim at.
The greatest sin is to think yourself weak
Employ your time in improving yourself by other men's writings so that you shall come easily by what others have labored hard for.
I not only use all the brains that I have, but all that I can borrow.
Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young.
You are not here merely to make a living. You are here in order to enable the world to live more amply, with greater vision, with a finer spirit of hope and achievement. You are here to enrich the world, and to impoverish yourself if you forget the errand.
The one excellent thing that can be learned from a lion is that whatever a man intends doing should be done by him with a whole-hearted and strenuous effort.
I think nature's imagination Is so much greater than man's, she's never going to let us relax.
If you can't you must, and if you must you can.
Listen to many, speak to a few.
It's always too early to quit.
A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light.