“I am justified. For I chose wisdom and the knowledge of good and evil; and now there is no evil; and wisdom and good are one. It is enough.”
The Serpent, in Pt. V
1920s, Back to Methuselah (1921)
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George Bernard Shaw 413
Irish playwright 1856–1950Related quotes

“Wisdom we know is the knowledge of good and evil not the strength to choose between the two.”
The Late Forties and the Fifties, 1956 entry.
The Journals of John Cheever (1991)

“The function of wisdom is to discriminate between good and evil.”

“Goodness without wisdom always accomplishes evil.”

“There is only one good, knowledge, and one evil, ignorance.”
Socrates II: xxxi http://www.perseus.tufts.edu/hopper/text?doc=D.+L.+2.5.31&fromdoc=Perseus%3Atext%3A1999.01.0257#note-link14. Original Greek: ἓν μόνον ἀγαθὸν εἶναι, τὴν ἐπιστήμην, καὶ ἓν μόνον κακόν, τὴν ἀμαθίαν
Diogenes Laertius
Variant: The only good is knowledge and the only evil is ignorance.

De Potentia (On Power) q. 3, art. 6, ad 4

“Now I am weary and I can no longer tell good from Evil, and I need someone to show me the way.”
Orestes to Electra, Act 2
The Flies (1943)