The Houyhnhnm who first discovers Gulliver and takes him into his own home. Wary of Gulliver’s Yahoolike appearance at first, the master is hesitant to make contact with him, but Gulliver’s ability to mimic the Houyhnhnm’s own words persuades the master to protect Gulliver. The master’s domestic cleanliness, propriety, and tranquil reasonableness of speech have an extraordinary impact on Gulliver. It is through this horse that Gulliver is led to reevaluate the differences between humans and beasts and to question humanity’s claims to rationality.