I am crying, he thought, opening his eyes to stare through the soapy, stinging water. I feel like crying, so I must be crying, but it's impossible to tell because I'm underwater. But he wasn't crying. Curiously, he felt too depressed to cry. Too hurt. It felt as if she'd taken the part of him that cried.
The greatest improvement in the productive powers of labour, and the greater part of the skill, dexterity, and judgment with which it is anywhere directed, or applied, seem to have been the effects of the division of labour.