Quotes from The Alchemist

Below are quotes from the book The Alchemist:

1. When you want something, all the universe conspires in helping you to achieve it
2. I'm like everyone else -- I see the world in terms of what I would like to see happen, not what actually does
3. The world's greatest lie is that: at a certain point in our lives, we lose control of what's happening to us, and our lives become controlled by fate. That's the world's greatest lie
4. From then on, he would make his own decision
5. This isn't a strange place; it was a new one
6. deal with the concept of love as distinct from possession - love without ownership
7. Don't think about what you have left behind......if what one finds is made of pure matter, it will never spoil......[] If what you had found was only a moment of light, like the explosion of a star, you would find nothing on your return.
8. boy: My heart is afraid that it will have to suffer. alchemist: Tell your heart that the fear of suffering is worse than the suffering itself.
9. Most people see the world as a threatening place, and, because they do, the world turns out, indeed, to be a threatening place.
   

on #7 --purity, is it something we can expect in our real world now. is everything not tainted with a little bit of impurity?