An economist's guess is liable to be as good as anybody else's.

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.

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

The hardest thing to understand in the world is the income tax.

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

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

If you listen to your fears, you will die never knowing what a great person you might have been.

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

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