Success is not final and failure is not fatal. It is the courage to continue that counts.

The greatest glory in loving lies not in never falling, but in rising every time we fall.

The greatest enemy to human potential is your comfort zone

A hero is no braver than an ordinary man, but he is braver five minutes longer.

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

There is no elevator to success, you have to take the stairs.

Each day is an opportunity to improve. Aim to be that little bit better than yesterday and better tomorrow than today.

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

Time is your friend, impulse is your enemy.

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

I can is 100 times more important than IQ.

Success is the sum of small repeated efforts, day in and day out.

Procrastination makes easy things hard and hard things harder.

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.

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time.