Reference for Menachot 79:4

אמר ליה רבא בר רב חנא לרבא ולרמו בי עשרה ונפקו לשוקא ומפרסמא למילתא כל שכן דמתמהו עילון

Raba son of R'Hanan said to Raba, Then let ten people insert it and let them go about in the market place and so the law will be made known to all!<span class="x" onmousemove="('comment',' That the prohibition of diverse kinds is waived only in pursuance of the precept of zizith.');">⁶</span> People will wonder at it all the more.<span class="x" onmousemove="('comment',' That pious men should be wearing garments of diverse kinds, wool and linen. ikht tke ,kf,');">⁷</span>

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