“The foundation of empire is art and science”

“If you know the enemy and know yourself, you need not fear the result of a hundred battles...”

“Instead of resisting to changes, surrender. Let life be with you, not against you.”

“I say luck is when an opportunity comes along and you're prepared for it.”

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

“You have power over your mind—not outside events. Realize this, and you will find strength ”

“The moment you give up is the moment you let someone else win.”

“Learn from failure. If you are an entrepreneur and your first venture wasn’t a success, ...”

“Men are Moved by two levers only: fear and self interest.”

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

“The best way to predict the future is to invent it”

“Have no fear of perfection - you'll never reach it.”

“The more you know, the more you know you don't know.”