Reference for Shevuot 69:29
אמר אביי מתניתין במי שהוא חנון
Is 'chain' then mentioned in Scripture? - Well, said Abaye. Thus he means: 'I adjure you by oath'; 'I command you by oath', 'I bind you by oath'; 'I chain you by oath'.<span class="x" onmousemove="('comment',' In all cases invoking the Name.');"><sup>36</sup></span> 'BY ALEF DALETH'; 'BY YOD HE, BY SHADDAI'; 'BY ZEBAOTH'; 'BY THE MERCIFUL AND GRACIOUS ONE'; 'BY THE LONG SUFFERING ONE'; 'BY THE ONE ABOUNDING IN KINDNESS'. Shall we say that Merciful and Gracious are Names?<span class="x" onmousemove="('comment',' I.e., substitutes for the divine Name, and that therefore adjuration by these Names makes then, liable.');"><sup>37</sup></span> This is contradicted [from the following]: There are Names which may be erased;<span class="x" onmousemove="('comment',' Because they are not used solely of the Deity, and are therefore not sacred.');"><sup>38</sup></span> and there are Names which may not be erased. These are the Names which may not be erased, such as: 'El',<span class="x" onmousemove="('comment',' God.');"><sup>39</sup></span> 'Eloha',<span class="x" onmousemove="('comment',' V. Vilna Gaon, a.l. vhvt rat vhvt');"><sup>40</sup></span> 'Elohim', 'your God', I am that I am,<span class="x" onmousemove="('comment',' .');"><sup>41</sup></span> 'Alef Daleth', 'Yod He', 'Shaddai', 'Zebaoth' - these may not be erased; but the Great, the Mighty, the Revered, the Majestic, the Strong, the Powerful, the Potent, the Merciful and Gracious, the Long Suffering, the One Abounding in Kindness these may be erased!<span class="x" onmousemove="('comment',' Hence, Merciful and Gracious are not substitutes for the divine Name.');"><sup>42</sup></span> Abaye said: Our Mishnah means: '[I adjure you] by Him who is Gracious';