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

It is never too late to turn an unproductive day into a productive one.

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.

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

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

Failure to prepare = preparing to fail

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

FAIL - First Attempt In Learning

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

Success can never happen without the journey (struggle).

Everything you want is on the other side of fear

Learn To Step Outside Of Your Comfort Zone. Outside your comfort zone is where the magic happens

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

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

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.