A kid drinking from his hands just beat me at simple living.

The source

"A kid drinking from his hands just beat me at simple living." Diogenes said it in Diogenes Laertius, Lives 6. Translated by C. D. Yonge, 1853.

"he saw a child drinking out of its hands, and so he threw away the cup ... saying: That child has beaten me in simplicity"

C. D. Yonge, 1853, Diogenes Laertius, Lives 6. Anecdote reported by Diogenes Laertius (3rd century AD).

Who said it

Diogenes (c. 412–323 BC). The Cynic who lived in a jar in Athens and told Alexander the Great to get out of his sun.

Questions

Who said "A kid drinking from his hands just beat me at simple living."?

Diogenes (c. 412–323 BC). Source: Diogenes Laertius, Lives 6.

What is the original wording?

he saw a child drinking out of its hands, and so he threw away the cup ... saying: That child has beaten me in simplicity (C. D. Yonge, 1853). Translated by C. D. Yonge, 1853.