Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

Time is your friend, impulse is your enemy.

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

The journey of a thousand miles begins with one step. 

Do what you have always done and you will always be what you have always been

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

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

Fall down seven times, stand up eight.

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there

The easiest person to deceive is yourself.

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

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

If you can understand just one thing thoroughly, then you will understand everything.

I had no time is no excuse. 1 hour is 4% of your day and 1 minute is 0.34 % of your day.