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

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

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

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

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

There are no secrets to success. It is the result of preparation, hard work, and learning from failure.

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

If one does not know to which port one is sailing, no wind is favorable.

The superior man understands what is right the inferior man understands what will sell.

It usually takes me more than three weeks to prepare a good impromptu speech.