If you can understand just one thing thoroughly, then you will understand everything.

It is never too late to become what you might have been

The easiest person to deceive is yourself.

If you fail, next time fail better.

You're not in competition with anyone but yourself. Outdo your past, not other people.

Try and do one thing each day that you would really rather not do.

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

Don’t practice until you get it right, practice until you can’t get it wrong.

Do what you have always done and you will always be what you have always been

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

The wise person knows that no answer is also an answer

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.

Fall down seven times, stand up eight.

It doesn’t matter where you start, it matters how you end