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

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. 

Dreams don't work unless you do.

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

Failure to prepare = preparing to fail

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

The greatest enemy to human potential is your comfort zone

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

I think, therefore I am.

Procrastination is the thief of time and the enemy of success.

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

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

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

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

Success is a journey, not a destination.