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.

Focus on progress, not perfection. Practise a little bit every day - little and often  Slow and steady wins the race.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

You can hire a tutor but you can't hire someone to practice for you.

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

The journey of a thousand miles begins with one step.

I think, therefore I am.

Tough times never last, but tough people do.

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

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

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

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

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

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

There are no shortcuts to any place worth going.