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.

Just stick with it, what seems hard now will one day be your warm up.

I have not failed, I've just found 10,000 ways that won't work.

The journey of a thousand miles begins with one step. 

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

Shoot for the moon and even if you miss you’ll land among the stars/

Skills are built not born.

Patience is when you’re supposed to get mad, but you choose to understand

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

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

If you want to succeed, double your failure rate.

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

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

The gift of imperfection - let go of who you think you're supposed to be and embrace who you are.