Please all, and you will please none.
Don't ever promise more than you can deliver, but always deliver more than you promise.
When things go wrong don't go with them
The painter has the Universe in his mind and hands.
All achievement, all earned riches, have their beginning in an idea.
You reach a point where you don't work for money.
I never pick up an item without thinking of how I might improve it.
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
It is your decisions, and not your conditions, that determine your destiny.
The secret of success is constancy to purpose.
The whole secret of a successful life is to find out what is one's destiny to do, and then do it.
I do know that when I am 60, I should be attempting to achieve different personal goals than those which had priority at age 20.
Nothing will work unless you do.
A good idea is never lost. Even though its originator or possessor may die without publicizing it, it will someday be reborn in the mind of another....
Be a yardstick of quality. Some people aren't used to an environment where excellence is expected.
The majority of people who fail to accumulate money sufficient for their needs are, generally, easily influenced by the opinion of others.
Fake it until you make it.
Don't be afraid to give your best to what seemingly are small jobs. Every time you conquer one it makes you that much stronger. If you do the little jobs well, the big ones will tend to take care of themselves.
The more you are in this business, the more humbled by it you become.
For the bureaucrat, the world is a mere object to be manipulated by him.
The superior man understands what is right; the inferior man understands what will sell.