The interpretation timeline
Sirach 51:18 Douay-Rheims

When I was yet young, before I wandered about, I sought for wisdom openly in my prayer.

2 witnesses

Post-Reformation

c. 1650 – 1900
1849
A.D.
1774–1849
“When. He now gives some account of himself, and exhorts all to seek for wisdom. (Haydock) — He was advanced in years, when he fell into the aforesaid danger, after his travels, chap. xxxiv. 9. (Calmet) — Wisdom is most easily acquired, while a person is innocent, Ecclesiastes xii. (Worthington)”

Undated

date unknown
date
unknown
Glossa Ordinaria Medieval
“When I was yet younger. In youth, or in boyhood, etc., up to how from infancy he sought wisdom. Before I wandered astray, etc. He signifies that before the error of boyhood or of youth he desired wisdom, and asked it of the Lord, and persevered even to the last.”
Modern · 1953 →

The in-app commentary runs from the Fathers to the early-modern record, then stops — that's where the public-domain sources end, not where the reading does. For the modern reading, follow the sources directly.