1 Samuel 18:1

And it came to pass, when he had made an end of speaking unto Saul, that the soul of Jonathan was knit with the soul of David, and Jonathan loved him as his own soul.

The soul of Jonathan was knit with the soul of David. They were nearly of an age. The prince had taken little interest in David as a minstrel; but his heroism, and modest, manly bearing, his piety and high endowments, kindled the flame, not of admiration only, but of affection, in the congenial mind of Jonathan.