"When you make a mistake, there are only three things you should ever do about it: admit it, learn from it, and don't repeat it."

"I chose and my word was shaken. So what? The choice may have been mistaken a€” the choosing was not. Just keep moving on..."

"He who fears being conquered is sure of defeat."

"What can be more palpably absurd than the prospect held out of locomotives travelling twice as fast as stagecoaches?"

"To feel the right emotions is fully as important as to hold the right ideas, and the great service of religion is the development of the right emotions."

"The genius of play is that, in playing, we create imaginative new cognitive combinations. And in creating those novel combinations, we find what works."

"Life is a great big canvas, and you should throw all the paint on it you can."

"'Tis the privilege of friendship to talk nonsense, and have her nonsense respected."

"An American has no sense of privacy. He does not know what it means.There is no such thing in the country."

"Good manners will open doors that the best education cannot."

"The trouble with wedlock is that there's not enough wed and too much lock."

"PREJUDICE, n. A vagrant opinion without visible means of support."