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

I think, therefore I am.

The journey of a thousand miles begins with one step. 

You cannot escape the responsibility of tomorrow by evading it today

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

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

Tough times never last, but tough people do.

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

Hard work beats talent when talent doesn't work hard.

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

Procrastination is the thief of time and the enemy of success.

We learn more from failure than we do from success.

Dreams don't work unless you do.

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.