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

There are no bad mistakes in maths, only discoveries.

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

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

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

Mistakes have the power to turn you into something better than you were before.

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

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

Patience is when you’re supposed to get mad, but you choose to understand

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

It is never too late to become what you might have been

We all have two lives. The second begins when we realise we only have one. 

Do what you have always done and you will always be what you have always been

Tough times never last, but tough people do.

Don't fear failure, fear being in the same exact same place next year as you are now.