In places where there are not ten Batlanim, men of leisure, that
is, men always free to be present at every synagogue service, a
minyan (number) has to be hired for the purpose. The notion that
ten constitutes a congregation is based on the authority of Num.
xiv, 27, "How long shall I bear with this congregation?" As the
term "congregation" here refers to the ten spies who brought the
evil report, it is concluded forsooth that ten men, and never
less, is the orthodox minimum for a congregation.
Ten lights, said he, could not extinguish one; how shall one extinguish
THE TALMUD, _Meggillah_, fol. 16, col. 2.