Proverbs 27:23 Midrash

יָדֹ֣עַ תֵּ֭דַע פְּנֵ֣י צֹאנֶ֑ךָ שִׁ֥ית לִ֝בְּךָ֗ לַעֲדָרִֽים׃

Be thou diligent to know the state of thy flocks, And look well to thy herds;