Effort only fully releases its reward after a person refuses to quit.

No enterprise is more likely to succeed than one concealed from the enemy until it is ripe for execution.

I am certainly not one of those who need to be prodded. In fact, if anything, I am the prod.

If all the economists were laid end to end, they'd never reach a conclusion.

I think that there is nothing, not even crime, more opposed to poetry, to philosophy, ay, to life itself than this incessant business.

Whenever you find yourself on the side of the majority, it is time to pause and reflect.

Just because something doesn't do what you planned it to do doesn't mean it's useless.

Business is never so healthy as when, like a chicken, it must do a certain amount of scratching around for what it gets.

Sometimes when you innovate, you make mistakes. It is best to admit them quickly, and get on with improving your other innovations.

Sometimes when you innovate, you make mistakes. It is best to admit them quickly, and get on with improving your other innovations.