Exodus 18:7

7Moses went out to meet his father-in-law and bowed down and kissed him;
This is more than polite oriental custom. Jethro was Moses’ benefactor, father-in-law, and a priest. He paid much respect to him. Now he could invite Jethro into his home (see B. Jacob, Exodus, 496).
they each asked about the other’s welfare, and then they went into the tent.
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