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. 

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

Life is full of opportunities. With every opportunity that is missed, another one is born.

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

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

A hero is no braver than an ordinary man, but he is braver five minutes longer.

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

We learn more from failure than we do from success.

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

Skills are built not born.

Time is your friend, impulse is your enemy.

The journey of a thousand miles begins with one step. 

The journey of a thousand miles begins with one step.

No one starts out on top. You have to work your way up.

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