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

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

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

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

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

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

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

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

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

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