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

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

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

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

I am certainly not one of those who need to be prodded. In fact, if anything, I am the prod.

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

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

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

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

Most of the important things in the world have been accomplished by people who have kept on trying when there seemed to be no hope at all.