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. 

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

We learn more from failure than we do from success.

Your limitation - its only your imagination.

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

Success is not final and failure is not fatal. It is the courage to continue that counts.

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there

The easiest person to deceive is yourself.

You cannot start the next chapter of your life if you keep re-reading the last one.

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.

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

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

Failure to prepare = preparing to fail

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.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.