Procrastination makes easy things hard and hard things harder.

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

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. 

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

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

I think, therefore I am.

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

The gift of imperfection - let go of who you think you're supposed to be and embrace who you are.

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

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

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

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

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

In order to become better than anybody else you must first become better than yourself.

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.