[149] Now of these five outward senses there are three which have the greatest resemblance to the brute beasts and to slaves, namely the senses of taste, smell, and touch: as it is with reference to these that those species of beasts and cattle which are the most greedy and the most strongly inclined to sexual connections are the most vehemently excited. For all day and all night they are either glutting themselves insatiably with food, or else in a state of eagerness for sexual connection.