Tough times never last, but tough people do.

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

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

Run in the morning before your body figures out what you're doing

Failure is NOT your destiny. Failure is the key to success.

The road to success is like a staircase. If you want to succeed, double your failure rate

We learn more from failure than we do from success.

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

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

Hard work - a two way street where you get exactly what you put in.

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.