Few things are impossible to diligence and skill. Great works are performed not by strength, but perseverance.

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.

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

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.

Always bear in mind that your own resolution to succeed is more important than any other.

There is nothing impossible to him who will try.

One of the main weaknesses of mankind is the average man's familiarity with the word 'impossible'.

Innovation distinguishes between a leader and a follower.

The only 'break' anyone can afford to rely upon is a self-made 'break'.

A man paints with his brains and not with his hands.

If you wish success in life, make perseverance your bosom friend, experience your wise counselor, caution your elder brother and hope your guardian genius.

I never pick up an item without thinking of how I might improve it.

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

Practice does not make perfect. Perfect practice makes perfect.

Be quick, but don't hurry.

Success is liking yourself, liking what you do, and liking how you do 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.

Advertising is legalized lying.

People refuse to take chances in business, because they fear the criticism which may follow if they fail.

Find out what you really love to do, and then find a way to make a good living doing it.

Apple's market share is bigger than BMW's or Mercedes's or Porsche's in the automotive market. What's wrong with being BMW or Mercedes?