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

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

Focus on progress, not perfection. Practise a little bit every day - little and often  Slow and steady wins the race.

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

You can have results or excuses, not both

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

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

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

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.

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

Knowledge is of no value unless you put it into practice.

Never underestimate the importance of small steps. small steps = big changes. 

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

Nobody said it’d be easy, they just promised it would be worth it.