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. 

Time is your friend, impulse is your enemy.

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

The greatest enemy to human potential is your comfort zone

Success is a journey, not a destination.

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

Never underestimate the importance of small steps. small steps = big changes. 

I can is 100 times more important than IQ.

You cannot escape the responsibility of tomorrow by evading it today

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

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

Shoot for the moon and even if you miss you’ll land among the stars/

Start, struggle, fail, fix and learn. Repeat.

If you can understand just one thing thoroughly, then you will understand everything.

The master has failed more times than the beginner has even tried