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

Time is your friend, impulse is your enemy.

Tough times never last, but tough people do.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

We all make mistakes. What matters is how we choose to move forwards from them.

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

Everything you want is on the other side of fear

The greatest enemy to human potential is your comfort zone

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

We learn more from failure than we do from success.

I can is 100 times more important than IQ.

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. 

There are no shortcuts to any place worth going.

He who has begun his task is half-way done. Have the courage to begin!