All discourse of which others ...

All discourse of which others cannot partake is not only an irksome usurpation of the time devoted to pleasure and entertainment, but, what never fails to excite resentment, an insolent assertion of superiority, and a triumph over less enlightened understandings. The pedant is, therefore, not only heard with weariness but malignity; and those who conceive themselves insulted by his knowledge never fail to tell with acrimony how injudiciously it was exerted.
All discourse of which others cannot partake is not only an irksome usurpation of the time devoted to pleasure and entertainment, but, what never fails to excite resentment, an insolent assertion of superiority, and a triumph over less enlightened understandings. The pedant is, therefore, not only heard with weariness but malignity; and those who conceive themselves insulted by his knowledge never fail to tell with acrimony how injudiciously it was exerted.

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.