I had, as I before observed, one private pocket, which escaped their search, wherein there was a pair of spectacles (which I sometimes use for the weakness of my eyes) a pocket perspective, and some other little conveniences; which, being of no consequence to the emperor, I did not think myself bound in honor to discover, and I apprehended they might be lost or spoiled if I ventured them out of my possession. What event is being described in the passage above?

Gulliver’s plan to escape from Lilliput
preparation for Gulliver’s lengthy imprisonment
Lilliputian inventory of Gulliver and his possessions
Gulliver’s speech about freedom to the Lilliputians