Reference for Yoma 47:4

לא דכולי עלמא עבודה היא והכא בהא קא מיפלגי מר סבר צריכא קרא לרבויי ומר סבר לא צריכא קרא לרבויי

to include also for this service [the four garments]; the other: no such passage is necessary.<span class="x" onmousemove="('comment',' Since Scripture insists on the tunic and breeches it is evidently considered a service, requiring all the four garments.');">⁹</span> R'Abin asked: How much of the ashes of the altar is to be removed? Shall we infer [the quantity] from the taking off of the tithe,<span class="x" onmousemove="('comment',' Num. XVIII, 25, where about one per cent is taken off.');">¹⁰</span> or from what was taken off from the [spoil of] Midian?<span class="x" onmousemove="('comment',' Ibid. XXXI, 28-40, where it is but one-fifth of one per cent.');">¹¹</span>

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