The greatest enemy to human potential is your comfort zone

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. 

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

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

The bad news is time flies, the good new is that you're the pilot.

The easiest person to deceive is yourself.

Dreams don't work unless you do.

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

The power of reflection is the most powerful skill you’ll learn.

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

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

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.

I can is 100 times more important than IQ.