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.

Once you start a working on something, don't be afraid of failure and don't abandon it. People who work sincerely are the happiest.

Try not to become a man of success but rather to become a man of value.

Be interesting, be enthusiastic... and don't talk too much.

I don't believe people die from hard work. They die from stress and worry and fear -- the negative emotions. Those are the killers, not hard work. The fact is, in our society today, most people don't understand what hard work is all about.

Success is the doing, not the getting; in the trying, not the triumph. Success is a personal standard, reaching for the highest that is in us, becoming all that we can be. If we do our best, we are a success.

Apply yourself both now and in the next life. Without effort, you cannot be prosperous. Though the land be good, You cannot have an abundant crop without cultivation.

Success is having a flair for the thing that you are doing, knowing that is not enough, that you have got to have hard work and a sense of purpose.

To be clever enough to get all that money, one must be stupid enough to want it.

If you are five minutes early, you are already ten minutes late.

If you don't have time to do it right, when will you have the time to do it over?

Real success can only come if there is a change in our societies and in our economics and in our politics.

It's a terrible thing to look over your shoulder when you are trying to lead - and find no one there

The secret of success in life is for a man to be ready for his opportunity when it comes.

There is nothing more difficult to carry out, nor more doubtful of success, nor more dangerous to handle, that to institute a new order of things

From each according to his abilities, to each according to his needs.

When asked, 'How do you write?' I invariably answer, 'one word at a time.'

Eighty percent of success is showing up.

For it is commonly said: accomplished labours are pleasant.

The term 'serious actor' is kind of an oxymoron, isn't it? [Like] 'Republican party' [or] 'airplane food'.

I believe in the Bible. I believe that all good things come from God. I don't believe I'd sing the way I do if God hadn't wanted me to.'