I prefer the errors of enthusiasm to the indifference of wisdom. I've taught them. If you pick up a starving dog and make him prosperous, he will not bite you. This is the principle difference between a dog and a man. If you want to make enemies, try to change something.
Imagination is more important than knowledge.
It usually takes more than three weeks to prepare a good impromptu speech. Logic is a system whereby one may go wrong with confidence. Nothing great was ever achieved without enthusiasm. One martini is alright, two is too many, three is not enough. The brain is a wonderful organ.