I think, therefore I am.

It doesn’t matter where you start, it matters how you end

The bad news is time flies, the good new is that you're the pilot.

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.

You cannot escape the responsibility of tomorrow by evading it today

The journey of a thousand miles begins with one step.

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

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

Failure to prepare = preparing to fail

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

Skills are built not born.

Tough times never last, but tough people do.

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

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

Don’t be afraid to work hard and find out how good you can really be.