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

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

I can is 100 times more important than IQ.

Pure mathematics is in its way, the poetry of logical ideas.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

You can hire a tutor but you can't hire someone to practice for you.

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

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 greatest mistake we make is living in constant fear that we will make one.

Lose an hour in the morning and you will spend all day looking for it.

Run in the morning before your body figures out what you're doing

Nobody said it’d be easy, they just promised it would be worth it.

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

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.