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. 

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

The road to success is like a staircase. If you want to succeed, double your failure rate

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

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

The journey of a thousand miles begins with one step. 

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

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

Everything that happens was once a dream.

If you fail, next time fail better.

Go as far as you can see, when you get there, you’ll be able to see further

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

I can is 100 times more important than IQ.

It is never too late to become what you might have been

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