זֶה֩ עֶשְׂרִ֨ים שָׁנָ֤ה אָנֹכִי֙ עִמָּ֔ךְ רְחֵלֶ֥יךָ וְעִזֶּ֖יךָ לֹ֣א שִׁכֵּ֑לוּ וְאֵילֵ֥י צֹאנְךָ֖ לֹ֥א אָכָֽלְתִּי׃
These twenty years have I been with thee; thy ewes and thy she-goats have not cast their young, and the rams of thy flocks have I not eaten.
Read midrashic interpretation of Genesis 31:38: and classical rabbinic exegesis.