Reference for Bava Batra 120:14

אלא כך אמרו חכמים סד אדם את ביתו בסיד ומשייר בו דבר מועט וכמה אמר רב יוסף אמה על אמה אמר רב חסדא כנגד הפתח

To this they could find no answer, so he said to them: My sons, come and listen to me. Not to mourn at all is impossible, because the blow has fallen. To mourn overmuch is also impossible, because we do not impose on the community a hardship which the majority cannot endure, as it is written, <i>Ye are cursed with a curse,<span class="x" onmousemove="('comment',' This is taken to mean: 'You have laid on yourselves an adjuration (to bring the tithe).' ');">¹²</span></i>

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