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

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

In this world nothing can be said to be certain, except death and taxes.

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

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

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

Failure doesn't mean you are a failure it just means you haven't succeeded yet.

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

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

It's not what you pay a man, but what he costs you that counts.