I can is 100 times more important than IQ.

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 are no shortcuts to any place worth going.

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

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

Procrastination makes easy things hard and hard things harder.

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.

You're not in competition with anyone but yourself. Outdo your past, not other people.

Success can never happen without the journey (struggle).

It always seems impossible until it's done.

Go as far as you can see, when you get there, you’ll be able to see further

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

It doesn’t matter where you start, it matters how you end

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

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