1. "One of IDEO’s designers even sketched out a project mood chart that predicts how people will feel at different phases of a project. It’s a U-shaped curve with a peak of positive emotion, labeled hope, at the beginning, and a second peak of positive emotion, labeled confidence, at the end. In between the two peaks is a negative emotional valley labeled insight."
- Chip Heath, Switch
2. "He walked over to his place, the center of a U-shaped configuration of tables, and set his papers down, pretending to consult them. Instead, he inspected Lily covertly, hoping to detect a weakness, some tiny chink in her armor. Damn her for being more beautiful than ever, he thought. A single glance and he began wanting things he knew were impossible."
- Laura Moore, Night Swimming
3. "A moment later, Jackie lifts himself into a canter. It is analyzable - I have seen the picture of how he steps so far under with his supporting hind leg that he is placing it right beneath where I am sitting; his leg and body become a U-shaped spring that lifts me forward - but it is not describable. It is neither floating nor springing. It is power without labor, thrust without force, the very opposite of any sort of aggression, the particular physics of his anatomy, the demonstration and the effect of his personality."
- Jane Smiley, A Year at the Races: Reflections on Horses
4. "Washington in 1965. We instinctively measure advantage in terms of the three M’s because men, money, and matériel are the easiest and most obvious ways to make sense of a battle. The only way to appreciate the threat that the Viet Cong posed was to actually listen to what they had to say—to look past the armor and see the man. The book you have just read has tried to persuade you to think that way. Men, money, and matériel aren’t always the deciding factors in a battle. In fact, what the inverted U-shaped curve tells us is that having too much money and matériel is as debilitating as having too little. Being an underdog—having nothing to lose—opens up possibilities. The Impressionists were better for shunning the Salon. History and experience ought to teach us to be suspicious of Goliaths, because the very thing that makes the giant so terrifying is also the source of his weakness. David understood that, as he sized up his opponent long ago in the Valley of Elah."
- Malcolm Gladwell, David and Goliath: Underdogs