Nothing has so exposed men of ...

Nothing has so exposed men of learning to contempt and ridicule as their ignorance of things which are known to all but themselves. Those who have been taught to consider the institutions of the schools as giving the last perfection to human abilities are surprised to see men wrinkled with study, yet wanting to be instructed in the minute circumstances of propriety, or the necessary form of daily transaction; and quickly shake off their reverence for modes of education which they find to produce no ability above the rest of mankind.
Nothing has so exposed men of learning to contempt and ridicule as their ignorance of things which are known to all but themselves. Those who have been taught to consider the institutions of the schools as giving the last perfection to human abilities are surprised to see men wrinkled with study, yet wanting to be instructed in the minute circumstances of propriety, or the necessary form of daily transaction; and quickly shake off their reverence for modes of education which they find to produce no ability above the rest of mankind.

Quotes from the same author

If a man does not make new acquaintances as he advances through life, he will soon find himself left alone. A man, sir, should keep his friendship in a constant repair.
To keep your secret is wisdom; but to expect others to keep it is folly.
Love is the wisdom of the fool and the folly of the wise.
Memory is the mother of all wisdom.
Friendship, like love, is destroyed by long absence, though it may be increased by short intermissions.