Be strong and of good courage; for you shall cause this people to inherit the land which I swore to their fathers to give them.
RUTH: Where is the implication that the Pentateuch was in existence and well known in Ruth?  The whole book is founded on the practical application of the law of Levirate marriage, and down to the very ceremony of "drawing off the shoe," we are looking at the Pentateuchal background in every line of it!