Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

The easiest person to deceive is yourself.

Time is your friend, impulse is your enemy.

If you fail, next time fail better.

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

Failure to prepare = preparing to fail

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

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. 

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

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

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

A hero is no braver than an ordinary man, but he is braver five minutes longer.

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

I can is 100 times more important than IQ.