Not every great man is a grand human being.
The wise man is seldom prudent.
Those who cannot remember clearly their own childhood are poor educators.
Many a truth is the result of an error.
Exceptions are not always the proof of the old rule; they can also be the harbinger of a new one.
The poor man wishes to conceal his poverty, and the rich man his wealth: the former fears lest he be despised, the latter lest he be plundered.