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

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there

The journey of a thousand miles begins with one step. 

Whenever you find yourself doubting how far you can go, just remember how far you have come.

The easiest person to deceive is yourself.

He who has begun his task is half-way done. Have the courage to begin!

If you want to succeed, double your failure rate.

Just stick with it, what seems hard now will one day be your warm up.

I can is 100 times more important than IQ.

There are no shortcuts to any place worth going.

99% of genius comes from hard work, the remaining 1% comes from innate talent

Don't expect to be good at maths or understand things straight away. Be patient and persistent. Rome wasn't built in a day, but they worked on it every single day. 

Procrastination makes easy things hard and hard things harder.

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

Don’t hang your targets after you’re done shooting.