Related:

• There has never been an intellegent person of the age of sixty who would consent to live his life over again.
  His or anyone else's....
• Say the report is exaggerated. -- Mark Twain (Samuel Clemens) (1835-1910) -- To Evening Sun correspondent, London, April 3, 1906
  -- re: Report of his death...
• Such is the human race. Often it does seem such a pity that Noah and his party didn't miss the boat.
  -- Mark Twain (Samuel Clemens) (1835-1910)...
• When a person cannot deceive himself the chances are against his being able to deceive other people.
  -- Mark Twain (Samuel Clemens) (1835-1910)...
• The fact that man knows right from wrong proves his intellectual superiority to other creature
  but the fact that he can do wrong proves his moral inferiority to any creature that cannot....
• Loyalty to petrified opinion never yet broke a chain or freed a human soul.
  -- Mark Twain (Samuel Clemens) (1835-1910) -- Inscription beneath his bust in the Hall of Fame....
• The human being, like the immortals, naturally places sexual intercourse far and away above all other joys -- yet he has left it out of his heaven.
  -- Samuel Clemens (Mark Twain) (1835-1910)...
• Methuselah lived to be 969 years old. You boys and girls will see more in the next fifty years than Methuselah saw in his whole lifetime.
  -- Mark Twain (Samuel Clemens) (1835-1910)...
• Everyone is a moon, and has a dark side which he never shows to anybody.
  -- Mark Twain (Samuel Clemens) (1835-1910)...