Cross reference
Isaiah 28:24
24 The whole day plougheth the ploughman to sow? He openeth and harroweth his ground!
Jeremiah 4:3
3 For thus said Jehovah, To the man of Judah, and to Jerusalem: Till for yourselves tillage, And do not sow unto the thorns.
Hosea 10:11-12
11 And Ephraim `is' a trained heifer -- loving to thresh, And I -- I have passed over on the goodness of its neck, I cause `one' to ride Ephraim, Plough doth Judah, harrow for him doth Jacob.
12 Sow for yourselves in righteousness, Reap according to loving-kindness, Till for yourselves tillage of knowledge, To seek Jehovah, Till he come and shew righteousness to you.