Reference for Moed Katan 33:2

למאי אי במילי דשמיא (משלי כא, ל) אין חכמה ואין תבונה ואין עצה לנגד ה' אלא לאו לכבוד עצמו

[Now let us see; 'separated'] for what [offence]? If [it was imposed] for some offence towards Heaven, then there is no wisdom nor understanding nor counsel against the Lord!<span class="x" onmousemove="('comment',' Prov. XXI, 30. That is to say, there should be no distinctions: the offender must be debarred from all and everybody.');">²</span> Therefore [presumably] it is only so<span class="x" onmousemove="('comment',' That the 'separated' is not debarred from his Master. ibcrn tcrum');">³</span>

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