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

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

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.

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

Patience is when you’re supposed to get mad, but you choose to understand

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

If you fail, next time fail better.

You can have results or excuses, not both

If you can understand just one thing thoroughly, then you will understand everything.

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

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

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

99% of failures come from people who have the habit of making excuses.

Practice like you’ve never won. Perform like you’ve never lost.

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