More quotes by Mark Twain

"The reports of my death are greatly exaggerated."
"The secret source of humor is not joy but sorrow; there is no humor in Heaven."
"Always do what is right. It will gratify half of mankind and astound the other."
"The easy confidence with which I know another man's religion is folly teaches me to suspect that my own is also."
"Everything human is pathetic. The secret source of humor itself is not joy but sorrow. There is no humor in heaven."