Personally, I enjoy working about 18 hours a day. Besides the short catnaps I take each day, I average about four to five hours of sleep per night.

Develop success from failures. Discouragement and failure are two of the surest stepping stones to success.

If A is success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut.

I have not failed. I've just found 10,000 ways that won't work.

You can observe a lot just by watching.

I hope that I may always desire more than I can accomplish.

For the bureaucrat, the world is a mere object to be manipulated by him.

As you start to walk out on the way, the way appears.

Four things for success: work and pray, think and believe.

Price is what you pay. Value is what you get.

I don't like that man. I must get to know him better.

Workers of the world unite; you have nothing to lose but your chains.

Work does not kill a man, it is worry, irregularity and uncertainty that kill.

God sells us all things at the price of labor.

It is your decisions, and not your conditions, that determine your destiny.

Every action has its pleasures and its price.

Don't ever promise more than you can deliver, but always deliver more than you promise.

True progress quietly and persistently moves along without notice.

If we all did the things we are really capable of doing, we would literally astound ourselves

Leadership and learning are indispensable to each other.

If you're trying to create a company, it's like baking a cake. You have to have all the ingredients in the right proportion.