The Mishnah alluded to is short and simple, viz, Where is it
taught that a ship is clean to the touch? From Prov. xxx. 19,
"The way of a ship in the midst of the sea." (i.e., as the sea
is clean to the touch, therefore a ship must also be clean to
It is indiscreet for one to sleep in a house as the sole occupant, for
Lilith will seize hold of him.
THE TALMUD, _Shabbath_, fol. 151, col. 2.