There is something about inside information which seems to paralyze a man's reasoning powers.
Millions saw the apple fall but Newton was the one who asked why.
You can overcome anything if you don't bellyache.
When beggars and shoeshine boys, barbers and beauticians can tell you how to get rich it is time to remind yourself that there is no more dangerous illusion than the belief that one can get something for nothing.
Don't speculate unless you can make it a full time job.
Society can progress if men's labors show a profit - if they yield more than is put in. To produce at a loss must leave less for all to share.