Musar for Yevamot 156:20
קא תבע אל שאול שלא נספד כהלכה וקא תבע על אשר המית הגבעונים אין דאמר ריש לקיש מאי דכתיב (צפניה ב, ג) בקשו את ה' כל ענוי ארץ אשר משפטו פעלו באשר משפטו שם פעלו
Enquiries were made and none was found. 'The matter', he concluded, 'depends entirely upon me; Immediately, he sought the face of the Lord.<span class="x" onmousemove="('comment',' Ibid. 1. ');"><sup>46</sup></span> What does this mean? — Resh Lakish explained: He enquired of the Urim and Tummim.<span class="x" onmousemove="('comment',' V. Glos. ');"><sup>50</sup></span> How is this inferred? R. Eleazar replied: It is arrived at by an analogy between two occurrences of the expression of 'countenance of'; for here it is written, And David sought the countenance of the Lord,<span class="x" onmousemove="('comment',' Ibid. 1. ');"><sup>46</sup></span>