When we remember we are all mad, the mysteries disappear and... - Mark Twain

"If you pick up a starving dog and make him prosperous he will not bite you. This is the principal difference between a dog and man."

"What a wee little part of a person's life are his acts and his words! His real life is led in his head, and is known to none but himself."

"The fear of death follows from the fear of life. A man who lives fully is prepared to die at any time."

"Nothing exists but you. And you are but a thought."

"I must have a prodigious amount of mind; it takes me as much as a week, sometimes, to make it up!"