I divide all readers into two classes: those who read to remember, and those who read to forget.
At a certain age some people's minds close up. They live on their intellectual fat.
I have made this a rather long letter because I haven't had time to make it shorter.
Dirt is not dirt, but only matter in the wrong place.
Pygmies lead short lives.
All great discoveries are made by mistake.
People would rather live with a problem they cannot solve than accept a solution they cannot understand.
Ninety percent of baseball is half mental.
Nothing is done until nothing is done.
It isn't whether you win or lose, but how much you win by.