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

There are no bad mistakes in maths, only discoveries.

Knowledge is of no value unless you put it into practice.

The journey of a thousand miles begins with one step.

Fall down seven times, stand up eight.

Time is your friend, impulse is your enemy.

Success is the sum of small repeated efforts, day in and day out.

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

We learn more from failure than we do from success.

I think, therefore I am.

The road to success is like a staircase. If you want to succeed, double your failure rate

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

You cannot escape the responsibility of tomorrow by evading it today

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

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