From Gen. 24:
Then he said, "O Lord God of my master Abraham, please give me success this day, and show kindness to my master Abraham. 13 Behold, here I stand by the well of water, and the daughters of the men of the city are coming out to draw water. 14 Now let it be that the young woman to whom I say, ‘Please let down your pitcher that I may drink,’ and she says, ‘Drink, and I will also give your camels a drink’””let her be the one You have appointed for Your servant Isaac. And by this I will know that You have shown kindness to my master.”
15 And it happened, before he had finished speaking, that behold, Rebekah, who was born to Bethuel, son of Milcah, the wife of Nahor, Abraham’s brother, came out with her pitcher on her shoulder. 16 Now the young woman was very beautiful to behold, a virgin; no man had known her. And she went down to the well, filled her pitcher, and came up. 17 And the servant ran to meet her and said, "Please let me drink a little water from your pitcher.”… ****Then the man bowed down his head and worshiped the Lord. 27 And he said, "Blessed be the Lord God of my master Abraham, who has not forsaken His mercy and His truth toward my master. As for me, being on the way, the Lord led me to the house of my master’s brethren.” ***28 So the young woman ran and told her mother’s household these things."
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It struck me when reading this passage a couple of days ago that had Abraham’s servant had not bowed down and worshiped when he realized God had answered his prayer, there was no reason for Laban to later believe his story about him coming for a potential wife for Abraham’s son. Anyone could make up a story about a test he set before the Lord and how the Lord answered the test miraculously, but the fact that the servant bowed and praised the Lord right then was evidence to Rebekah, who would have confirmed this to Laban- that the thing clearly was of God. Indeed, see Laban’s response: "The thing has come from the Lord; we cannot speak to you bad or good. 51 Behold, Rebekah is before you; take her and go, and let her be the wife of your master's son, as the Lord has spoken.”
I guess the moral of the story is that we should never underestimate the power of public praise.