The Odyssey by Homer Book 4 Page 16

dressed himself all in rags, and entered the enemy’s city looking like a menial or a beggar, and quite different from what he did when he was among his own people. In this disguise he entered the city of Troy, and no one said anything to him.

I alone recognised him and began to question him, but he was too cunning for me. When, however, I had washed and anointed him and had given him clothes, and after I had sworn a solemn oath not to betray him to the Trojans till he had got safely back to his own camp and to the ships, he told me all that the Achaeans meant to do. He killed many Trojans and got much information before he reached the Argive camp, for all which things the Trojan women made lamentation, but for my own part I was glad, for my heart was beginning to yearn after my home, and I was unhappy about the wrong