The game of billiards has destroyed my naturally sweet disposition.- Mark Twain Speech, April 24, 1906
Giving up smoking is the easiest thing in the world. I know because I’ve done it thousands of times. Mark Twain 
"It’s not the size of the dog in the fight, it’s the size of the fight in the dog."
Mark Twain
“There comes a time in every rightly constructed boy’s life that he has a raging desire to go somewhere and dig for hidden treasure”
Mark Twain
"Twenty years from now you will be more disappointed by the things that your didn’t do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.”
Mark Twain