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. 

You cannot escape the responsibility of tomorrow by evading it today

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

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

Tough times never last, but tough people do.

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

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

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

The journey of a thousand miles begins with one step. 

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

Success is the sum of small repeated efforts, day in and day out.

Success is a journey, not a destination.

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

Procrastination makes easy things hard and hard things harder.