There are four kinds of sheets of water:
- (1) Flat (uttāna) but deep in appearance (obhāsa);
- (2) deep but flat in appearance;
- (3) flat and flat in appearance;
- (4) deep and deep in appearance.
So, also, there are four classes of people:
- handsome in appearance but shallow in mind;
- not handsome in appearance but deep in knowledge;
- neither handsome nor wise;
- both handsome and wise (A.ii.105-6).
