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. 

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

Each day is an opportunity to improve. Aim to be that little bit better than yesterday and better tomorrow than today.

Everything you want is on the other side of fear

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

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

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

The greatest glory in loving lies not in never falling, but in rising every time we fall.

Procrastination makes easy things hard and hard things harder.

99% of failures come from people who have the habit of making excuses.

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

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

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

Everything that happens was once a dream.

Your limitation - its only your imagination.