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

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

If you cannot work with love but only with distaste, it is better that you should leave your work.

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

If there is anything that a man can do well, I say let him do it. Give him a chance.

Corporation: An ingenious device for obtaining profit without individual responsibility.

If you can build a business up big enough, it's respectable.

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.

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