Never interrupt your enemy when he is making a mistake...

The only true wisdom is in knowing you know nothing....

Give me a lever long enough and a fulcrum on which to place it, and I shall move the world...

O, what a tangled web we weave when first we practise to deceive!...

If you don't know where you are going, any road will get you there....

What happens is not as important as how you react to what happens....

The journey of a thousand miles begins with one step....

Reality is merely an illusion, albeit a very persistent one.

If you talk to a man in a language he understands, that goes to his head. If you talk to him in his language, that goes to his heart.

“Cultivate an optimistic mind, use your imagination, always consider alternatives, and dare to believe that you can make possible what others think is impossible.”