“Hope of ill gain is the beginning of loss”

“Happiness depends upon ourselves.”

“He will win who knows when to fight and when not to fight.”

“To know your enemy, you must become your enemy.”

“There is only one quality worse than hardness of heart and that is softness of head.”

“Logic will get you from A to B. Imagination will take you everywhere”

“Give me six hours to chop down a tree and I will spend the first four sharpening the axe.”

“Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.”

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

“His hands can’t hit what his eyes can't see.”

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

“People say I make strange choices, but they’re not strange for me. My sickness is that I...”

“I never lose. I either win or learn.”