There are no bad mistakes in maths, only discoveries.

Knowledge is of no value unless you put it into practice.

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

Everything you want is on the other side of fear

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

Procrastination makes easy things hard and hard things harder.

99% of genius comes from hard work, the remaining 1% comes from innate talent

Tough times never last, but tough people do.

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

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

The temptation to quit will be the greatest when you are about to succeed

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

We are all maths people : step 1 - do maths and step 2 - be a person. 

Life is full of opportunities. With every opportunity that is missed, another one is born.

Success is a journey, not a destination.