(notes edited and amplified
by George Engle)
"Trifles light as airThere the phrase refers to the probative value of Scripture, but here Kipling punningly uses it to mean printer’s proofs of the new translation of the Bible. In Rome in 1917 Kipling had seen the room used by a team of Catholic scholars who were revising the Latin Bible.
Are to the jealous confirmations strong
As proofs of holy writ.