"Go broke for what you love. It's only money; only stuff."

"Intelligence is nothing without delight."

"Selecting the right person for the right job is the largest part of coaching."

"To compare is not to improve."

"A ship is safe in harbor, but that's not what ships are for."

"Conservative: One who admires radicals centuries after they're dead."

"The great tragedy of science - the slaying of a beautiful hypothesis by an ugly fact."

"The world is governed more by appearance than realities so that it is fully as necessary to seem to know something as to know it."

"Statistics are like lampposts: they are good to lean on, but they don't shed much light."

"Knowledge is a comfortable and necessary retreat and shelter for us in advanced age, and if we do not plant it while young, it will give us no shade when we grow old."

"Doubts are more cruel than the worst of truths."

"I have always found that angels have the vanity to speak of themselves as the only wise."