Instead of finding reasons why you can't, find reasons why you can.

The easiest person to deceive is yourself.

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

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

We all have two lives. The second begins when we realise we only have one. 

We learn more from failure than we do from success.

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

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

In order to become better than anybody else you must first become better than yourself.

The master has failed more times than the beginner has even tried

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

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

Start, struggle, fail, fix and learn. Repeat.

I can is 100 times more important than IQ.

99% of failures come from people who have the habit of making excuses.