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

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

I can is 100 times more important than IQ.

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

The bad news is time flies, the good new is that you're the pilot.

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

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

Skills are built not born.

The power of reflection is the most powerful skill you’ll learn.

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.

Success can never happen without the journey (struggle).

Hard work - a two way street where you get exactly what you put in.

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

Never let a dark chapter make you forget that better days are ahead of you. Your story is far from over.