Gross ignorance produces a dogmatic spirit. He who knows nothing thinks he can teach others what he has himself just been learning. He who knows much scarcely believes that what he is saying is unknown to others, and consequently speaks with more hesitation.
La Bruyère.
291.
When you see a man elated with pride, glorying in his riches and high descent, rising even above fortune, look out for his speedy punishment; for he is only raised the higher that he may fall with a heavier crash.
Menander.
292.
The ridiculous is produced by any defect that is unattended by pain, or fatal consequences; thus, an ugly and deformed countenance does not fail to cause laughter, if it is not occasioned by pain.
Aristotle.
293.
Happy the man who early learns the difference between his wishes and his powers.