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

Time is your friend, impulse is your enemy.

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

Learn To Step Outside Of Your Comfort Zone. Outside your comfort zone is where the magic happens

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

Dreams don't work unless you do.

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

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

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

Start, struggle, fail, fix and learn. Repeat.

Fall down seven times, stand up eight.

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

Whenever you find yourself doubting how far you can go, just remember how far you have come.

If you can understand just one thing thoroughly, then you will understand everything.