You cannot escape the responsibility of tomorrow by evading it today

The greatest enemy to human potential is your comfort zone

There are no bad mistakes in maths, only discoveries.

Time is your friend, impulse is your enemy.

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

You can have results or excuses, not both

In order to become better than anybody else you must first become better than yourself.

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

Try and do one thing each day that you would really rather not do.

Don’t hang your targets after you’re done shooting.

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.

Just stick with it, what seems hard now will one day be your warm up.

Tough times never last, but tough people do.

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

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