וַיִּכְרֹ֧ת יְהוֹנָתָ֛ן וְדָוִ֖ד בְּרִ֑ית בְּאַהֲבָת֥וֹ אֹת֖וֹ כְּנַפְשֽׁוֹ׃
Then Jonathan made a covenant with David, because he loved him as his own soul.
Find Mishnaic references to I Samuel 18:3: passages from the 63 tractates of the Mishnah that cite or discuss this verse, free.