The past cannot be changed. The future is yet in your power.
Be happy, but never satisfied.
Humans have come into being for the sake of each other, so either teach them, or learn to bear them.
Improvement makes strait roads, but the crooked roads without Improvement, are roads of Genius.
My heroes are the ones who survived doing it wrong, who made mistakes, but recovered from them.
Failure is not our only punishment for laziness; there is also the success of others.
Good thoughts bear good fruit, bad thoughts bear bad fruit.
Make today worth remembering.
If you can't fly then run, if you can't run then walk, if you can't walk then crawl, but whatever you do you have to keep moving forward.
You can wish for things in the future to be different, but in this moment you have to accept things as they are.
If you are humble nothing will touch you, neither praise nor disgrace, because you know what you are.
A goal is not always meant to be reached, it often serves simply as something to aim at.
A man may die, nations may rise and fall, but an idea lives on.
People die from typewriters falling on their heads.
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.
Focus on where you want to go, not on what you fear.
When you're at the end of your rope, tie a knot and hold on
One of the things I learned when I was negotiating was that until I changed myself, I could not change others.
Employ your time in improving yourself by other men's writings so that you shall come easily by what others have labored hard for.
The more you lose yourself in something bigger than yourself, the more energy you will have.
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.