And it came to pass (not certainly by accident, but by Divine arrangement), before he had done speaking, that,—his prayer was answered (cf. Isaiah 65:24; Daniel 9:20, Daniel 9:21). From Genesis 24:45 it appears that the servant's prayer was not articulately spoken, but offered "in his heart;" whence the LXX.
add ἐν τῇ διανοίᾳ αὐτοῦ—behold, Rebekah came out, who was born to Bethuel, son of Milcah, the wife of Nahor, Abraham's brother (vide Genesis 22:23), with her pitcher—the cad (cf. κάδος, cadus) was a pail for drawing water, which women were accustomed to carry on their shoulders; it was this sort of vessel Gideon's men employed ( 7:20)—upon her shoulder—in exact correspondence with Oriental custom—the Egyptian and the Negro carrying on the head, the Syrian on the shoulder or the hip.