“ The first principle is that you must not fool yourself and you are the easiest person to fool. ”

“ It takes billions of years to create a human being. And it takes only a few seconds to die. ”

“ Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius—and a lot of courage to move in the opposite direction. ”

“ The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together. ”

“ Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away. ”

“ You cannot teach a man anything, you can only help him find it within himself. ”