3073. 'And in this I shall know that You have dealt mercifully with my master' means that the beginning of the marriage lies in Divine love. This is clear from the meaning of 'mercy' here in the internal sense as Divine love, dealt with in 3063. And since the subject is the betrothal of Rebekah to Isaac, that is, the joining of Divine truth to the Divine Good of the Rational, 'dealing mercifully with my master' means nothing else than a marriage, and so a marriage beginning in Divine love. For this statement is also the conclusion of his plea, and the purpose for which he made it.

It's common to say “I see” when we understand something. And indeed, “seeing” in the Bible represents grasping and understanding spiritual things. So it makes sense that the eyes, which allow us to see, represent the intellect, which allows us to understand spiritual things. This can also be used in the negative, of course; the Bible speaks of people having eyes and refusing to see, and the Lord when He was in the world advised plucking out an offending eye. These represent a refusal to acknowledge truth, or being misled by falsity.