“This type of man who is devoted to the study of wisdom is always most unlucky in everything, and particularly when it comes to procreating children; I imagine this is because Nature wants to ensure that the evils of wisdom shall not spread further throughout mankind.”
The Praise of Folly (1511)
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Desiderius Erasmus 36
Dutch Renaissance humanist, Catholic priest, and theologian 1466–1536Related quotes

Excerpt from speech delivered at the 74th commencement of the Albany Law School on June 10, 1925, which is reproduced on a gigantic plaque on the west side (facing the setting sun, as if to say, "Go West, young man.") of the UC Berkeley School of Law's main building, Boalt Hall.
Other writings

“Goodness without wisdom always accomplishes evil.”

Source: Interview by Jonathan Robinson (1994), p. 183.

“Wisdom never learned silence, and it is most annoying when least wanted.”
Source: The Forgotten Beasts of Eld (1974), Chapter 10, p. 272.

The Serpent, in Pt. V
1920s, Back to Methuselah (1921)

Siddhartha (1922)
Context: Wisdom is not communicable. The wisdom which a wise man tries to communicate always sounds foolish... Knowledge can be communicated, but not wisdom. One can find it, live it, do wonders through it, but one cannot communicate and teach it.

“Wisdom always comes after the event.”
Tiya -A Parrot's Journey Home ( Page 41 )