1. "Every man lives by exchanging."
- Quote by Adam Smith
4. "Ageing is a process of exchanging hope for insight"
- Quote by Sheridan Hay
5. "In the practice of exchanging self & other, paradoxes abound."
- Robert A.F. Thurman, Love Your Enemies: How to Break the Anger Habit & Be a Whole Lot Happier
6. "Information is a beacon, a cudgel, an olive branch, a deterrent--all depending on who wields it and how."
- Steven D. Levitt, Freakonomics: A Rogue Economist Explores the Hidden Side of Everything
7. "Sometimes a bad wind blows."
- Quote by James Patterson
9. "Lying in the grass girl and boy Eating oranges, exchanging kisses like waves exchanging whiteness. Lying on the beach girl and boy. Eating apples, exchanging kisses like clouds exchanging whiteness. Lying underground girl and boy. Saying nothing, never kissing exchanging silence for silence."
- Muriel Rukeyser, The Collected Poems