There are two primary choices in life: to accept conditions as they exist, or accept the responsibility for changing them.

I learned that courage was not the absence of fear, but the triumph over it. The brave man is not he who does not feel afraid, but he who conquers that fear.

The secret of change is to focus all of your energy, not on fighting the old, but on building the new.

Be the change that you wish to see in the world.

Intelligence is the ability to adapt to change.

Do not judge me by my successes, judge me by how many times I fell down and got back up again.

Lead from the back and let others believe they are in front.

You never change things by fighting the existing reality. To change something, build a new model that makes the existing model obsolete.

Those who cannot change their minds cannot change anything.