Gullivers Travels by Part 2 Chapter 1 Page 16

his hand, then applied it close to his eye to see what it was, and afterwards turned it several times with the point of a pin (which he took out of his sleeve,) but could make nothing of it. Whereupon I made a sign that he should place his hand on the ground. I then took the purse, and, opening it, poured all the gold into his palm. There were six Spanish pieces of four pistoles each, beside twenty or thirty smaller coins. I saw him wet the tip of his little finger upon his tongue, and take up one of my largest pieces, and then another; but he seemed to be wholly ignorant what they were. He made me a sign to put them again into my purse, and the purse again into my pocket, which, after offering it to him several times, I thought it best to do.

The farmer, by this time, was convinced I must be a rational creature.