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

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

There are no bad mistakes in maths, only discoveries.

I think, therefore I am.

Shoot for the moon and even if you miss you’ll land among the stars/

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

I had no time is no excuse. 1 hour is 4% of your day and 1 minute is 0.34 % of your day.

There is no elevator to success, you have to take the stairs.

You cannot start the next chapter of your life if you keep re-reading the last one.

"I" not them. Be the best version of you.

You can have results or excuses, not both

Failure is not the opposite of success, it is part of the success.

We learn more from failure than we do from success.

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

Tomorrow is worth more than yesterday but less than today.