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

There are no bad mistakes in maths, only discoveries.

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

Dreams don't work unless you do.

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.

Never underestimate the importance of small steps. small steps = big changes. 

It is never too late to turn an unproductive day into a productive one.

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

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

I think, therefore I am.

Tough times never last, but tough people do.

There are no shortcuts to any place worth going.

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

The master has failed more times than the beginner has even tried

The greatest mistake we make is living in constant fear that we will make one.