Every finite semigroup has an idempotent element.

The high worth of diamonds comes from the same source: a super-hard, eternal substance, at the same time a light-bearing, translucent substance, a kind of solid emptiness, a marvelous optical illusion.

Sicko status: Can you keep going even when you're feeling out of sorts?

The sick-wagon appeared only a silver dot in the crimsoning distance. Except for her son, the black woman was along in the wagon.