Prudentibus philosophicis professorium pisces, commonly known as Professor Fish Ialso known as eminate aquatic teachers, PPPP), are of course found leading schools of other fish. They always seem to be in a state of frantic despair as their charges seem unwillingly to learn the finer things in life. Yet they try and try even as they are eaten by the sharks. One was heard to say as he went down the gullet, "Natura sapiens bestia, venire tamen urbanum."
This was something you needed to know.