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

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

You cannot escape the responsibility of tomorrow by evading it today

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

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

It doesn’t matter where you start, it matters how you end

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

99% of failures come from people who have the habit of making excuses.

Just stick with it, what seems hard now will one day be your warm up.

I think, therefore I am.

Time is your friend, impulse is your enemy.

I have not failed, I've just found 10,000 ways that won't work.

I can is 100 times more important than IQ.

You can have results or excuses, not both