Good is built little by little, but it's no little thing.

The source

"Good is built little by little, but it's no little thing." Zeno of Citium said it in Diogenes Laertius, Lives 7. Translated by C. D. Yonge, 1853.

"goodness was attained by little and little, but was not itself a small thing"

C. D. Yonge, 1853, Diogenes Laertius, Lives 7. Anecdote reported by Diogenes Laertius (3rd century AD).

Who said it

Zeno of Citium (c. 334–262 BC). A shipwrecked merchant who founded Stoicism on a painted porch in Athens.

Questions

Who said "Good is built little by little, but it's no little thing."?

Zeno of Citium (c. 334–262 BC). Source: Diogenes Laertius, Lives 7.

What is the original wording?

goodness was attained by little and little, but was not itself a small thing (C. D. Yonge, 1853). Translated by C. D. Yonge, 1853.