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

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

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

You cannot start the next chapter of your life if you keep re-reading the last one.

I think, therefore I am.

Each day is an opportunity to improve. Aim to be that little bit better than yesterday and better tomorrow than today.

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

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

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

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

If you fail, next time fail better.

Success can never happen without the journey (struggle).

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

We all have two lives. The second begins when we realise we only have one. 

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