Chill out.

Cool it. Be cool.

Cool is a physical condition; sometimes a metaphysical condition, or even a psychic or stylistic condition.

Cool is essential to survival. The extremes of hot and cold are threats to life that call existence into question. Cool is the answer.

Cool is both simple and complex. Within the known universe there are basically two kinds of cool: elemental and cultural.

Elemental cool is a kind of thermal understatement. Sometimes it is a sense of redemptio...