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

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

A book a day keeps the stupidity away.

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

It always seems impossible until it's done.

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

Failure is not the opposite of success, it is part of the success.

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

The journey of a thousand miles begins with one step. 

The temptation to quit will be the greatest when you are about to succeed

Lose an hour in the morning and you will spend all day looking for it.

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.

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

I can is 100 times more important than IQ.

We are all maths people : step 1 - do maths and step 2 - be a person.