More quotes by Mark Twain

"Humor is mankind's greatest blessing."
"Substitute 'damn' every time you're inclined to write 'very;' your editor will delete it and the writing will be just as it should be."
"When we remember we are all mad, the mysteries disappear and life stands explained."
"Name the greatest of all inventors. Accident."
"Courage is resistance to fear, mastery of fear - not absence of fear."