Shabbos 9:3

A Biblical verse supports the law that when a woman expels semen on the third day following intercourse, it renders her ritually unclean: Exodus 19:15 says, “Be prepared regarding the third day.” A Biblical verse supports the law that a baby may be bathed on the third day after circumcision when it falls on Shabbos: Genesis 34:25 says, “It happened on the third day, when they were in pain…." A Biblical verse supports the law that they would tie a strip of red wool on the head of the scapegoat: Isaiah 1:18 says, “Though your sins are like scarlet, they will be white like snow.”

Shabbos 9:4

A Biblical verse supports the law that anointing is prohibited on Yom Kippur, just like drinking: Psalms 109:18 says, “It comes within him like water, and like oil into his bones.”