Two things are bad for the heart - running up stairs and running down people.
If a speculator is correct half of the time, he is hitting a good average. Even being right 3 or 4 times out of 10 should yield a person a fortune if he has the sense to cut his losses quickly on the ventures where he is wrong.
Never pay the slightest attention to what a company president ever says about his stock.
Millions saw the apple fall, but Newton was the one who asked why.
Do not blame anybody for your mistakes and failures.
In the last analysis, our only freedom is the freedom to discipline ourselves.
The greatest blessing of our democracy is freedom. But in the last analysis, our only freedom is the freedom to discipline ourselves.
To me - old age is always ten years older than I am.
If you get all the facts, your judgment can be right; if you don't get all the facts, it can't be right.
To me, old age is always fifteen years older than I am.
During my eighty-seven years I have witnessed a whole succession of technological revolutions. But none of them has done away with the need for character in the individual or the ability to think.
Old books that have ceased to be of service should no more be abandoned than should old friends who have ceased to give pleasure.