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

Each day is an opportunity to improve. Aim to be that little bit better than yesterday and better tomorrow than today.

A hero is no braver than an ordinary man, but he is braver five minutes longer.

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.

Time is your friend, impulse is your enemy.

I think, therefore I am.

Dreams don't work unless you do.

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

Fall down seven times, stand up eight.

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

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

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

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

The journey of a thousand miles begins with one step.