Instead of finding reasons why you can't, find reasons why you can.

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

Pure mathematics is in its way, the poetry of logical ideas.

The temptation to quit will be the greatest when you are about to succeed

FAIL - First Attempt In Learning

Mistakes have the power to turn you into something better than you were before.

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.

There are no shortcuts to any place worth going.

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

Hard work - a two way street where you get exactly what you put in.

Skills are built not born.

You can have results or excuses, not both

We learn more from failure than we do from success.

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

Fall down seven times, stand up eight.