You cannot escape the responsibility of tomorrow by evading it today

There are no shortcuts to any place worth going.

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

The greatest enemy to human potential is your comfort zone

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

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

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

Success is not final, failure is not fatal.  It is the courage to continue that counts.

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

Don't expect to be good at maths or understand things straight away. Be patient and persistent. Rome wasn't built in a day, but they worked on it every single day. 

The wise person knows that no answer is also an answer

Our fixed mindset builds our cage, fear keeps us in it.

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

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

I have not failed, I've just found 10,000 ways that won't work.