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. 

The temptation to quit will be the greatest when you are about to succeed

It always seems impossible until it's done.

There is great wisdom in being able to realise that you don’t understand something before it goes too far.

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

Dreams don't work unless you do.

The wise person knows that no answer is also an answer

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

Don’t hang your targets after you’re done shooting.

Don’t be afraid to work hard and find out how good you can really be.

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

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

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

Hard work beats talent when talent doesn't work hard.

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