Ability may get you to the top, but it takes character to keep you there.

We don't know a millionth of one percent about anything.

There is little success where there is little laughter.

No man needs sympathy because he has to work, because he has a burden to carry. Far and away the best prize that life offers is the chance to work hard at work worth doing.

It has been my observation that most people get ahead during the time that others waste

The man who is swimming against the stream knows the strength of it.

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

Thinking is the hardest work there is, which is probably the reason so few engage in it.

I'm a slow walker, but I never walk back.

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

Chop your own wood and it will warm you twice

The superior man understands what is right; the inferior man understands what will sell.

The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack in will.

I am easily satisfied with the very best.

Obstacles are those frightful things you see when you take your eyes off your goals.

The production of too many useful things results in too many useless people.

God sells us all things at the price of labor.

Whether it's Google or Apple or free software, we've got some fantastic competitors and it keeps us on our toes.

'To Start Press Any Key'. Where's the ANY key?

To solve any problem, here are three questions to ask yourself: First, what could I do? Second, what could I read? And third, who could I ask?

This is the real secret of life - to be completely engaged with what you are doing in the here and now. And instead of calling it work, realize it is play.