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

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

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

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

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

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

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.

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

Hell, there are no rules here - we're trying to accomplish something.