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

I can is 100 times more important than IQ.

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

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

The greatest glory in loving lies not in never falling, but in rising every time we fall.

You can hire a tutor but you can't hire someone to practice for you.

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

Success is a journey, not a destination.

Fall down seven times, stand up eight.

The journey of a thousand miles begins with one step.

Dreams don't work unless you do.

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. 

The greatest mistake we make is living in constant fear that we will make one.

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

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