More quotes by Mark Twain

"It's not the size of the dog in the fight, it's the size of the fight in the dog."
"Courage is resistance to fear, mastery of fear - not absence of fear."
"I've had a lot of worries in my life, most of which never happened."
"The easy confidence with which I know another man's religion is folly teaches me to suspect that my own is also."
"A person with a new idea is a crank until the idea succeeds."