Wherefore the Scriptures being serious, and commonly omitting such parergies, it will be unreasonable from hence to condemn all laughter

In plane analytic geometry, all the points and lines are confined to one plane.

The least numerous, but most impressive cavalry were the cataphracts. A fully equipped cataphract had a bronze or iron helmet, perhaps with neck guard, a lamella, mail, or scale cuirass with arm and thigh guards attached, leg defences of mail or laminated strips, and mail-reinforced gauntlets. The horse wore a caparison of iron or bronze scales with further armour on the neck or head.

So here's a valentine for you, you insensitive clod!!