More quotes by Mark Twain

"I must have a prodigious amount of mind; it takes me as much as a week, sometimes, to make it up!"
"A successful book is not made of what is in it, but what is left out of it."
"Name the greatest of all inventors. Accident."
"Good friends, good books and a sleepy conscience: this is the ideal life."
"It's not the size of the dog in the fight, it's the size of the fight in the dog."