31.
A prudent man will not discover his poverty, his self-torments, the disorders of his house, his uneasiness, or his disgrace.
Hitopadesa.
32.
Men are of three different capacities: one understands intuitively; another understands so far as it is explained; and a third understands neither of himself nor by explanation. The first is excellent, the second, commendable, and the third, altogether useless.
Machiavelli.