“To know what you know and what you do not know, that is true knowledge.”

“Convince your enemy that he will gain very little by attacking you; this will diminish his...”

“You know what the happiest animal on Earth is? It's a goldfish. You know why? It's got a 1...”

“Be the person that when your feet touch the floor in the morning, the devil says, “Awe s...”

“If you love two people at the same time, choose the second one, because if you really love...”

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

“We are stubborn on vision. We are flexible on details.”

“All you have to do is pay attention: lessons always arrive when you are ready.”

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

“The answer, my friend, is blowing in the wind”

“When something bad happens, you have three choices. You can either let it define you, let ...”

“If you're not stubborn, you'll give up on experiments too soon.”

“A life spent making mistakes is not only more honorable, but more useful than a life spent...”