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

Sell a man a fish, he eats for a day, teach a man how to fish, you ruin a wonderful business opportunity.

Dad, you've done a lot of great things, but you're a very old man, and old people are useless.

I never did a day's work in my life. It was all fun.

It is easier for a tutor to command than to teach.

I've always thought anyone can make money. Making a life worth living, that's the real test.

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

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

The finest task for an Engineer – to survey, to plan, to suggest resources and material, assemble them for task in hand, implement and produce results.

Just because something doesn't do what you planned it to do doesn't mean it's useless.

I don't want to achieve immortality through my work... I want to achieve it through not dying.

He who thinks little errs much

Rich people have small TVs and big libraries, and poor people have small libraries and big TVs.

Nothing is particularly hard if you divide it into small jobs

The secret of success is constancy to purpose.

For a man to conquer himself is the first and noblest of all victories.

Art calls for complete mastery of techniques, developed by reflection within the soul.

I'm a greater believer in luck, and I find the harder I work the more I have of it

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

The more you are in this business, the more humbled by it you become.

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