'Sow' in the Bible
Look at the birds which fly in the air: they do not sow or reap or store up in barns, but your Heavenly Father feeds them: are not you of much greater value than they?
He then spoke many things to them in figurative language. "The sower goes out," He said, "to sow.
"The sower," He said, "goes out to sow his seed; and as he sows, some of the seed falls by the way-side, and is trodden upon, or the birds of the air come and peck it up.
Observe the ravens. They neither sow nor reap, and have neither store-chamber nor barn. And yet God feeds them. How far more precious are you than the birds!
For I was afraid of you, because you are a severe man: you take up what you did not lay down, and you reap what you did not sow.'
"'By your own words,' he replied, 'I will judge you, you bad servant. You knew me to be a severe man, taking up what I did not lay down, and reaping what I did not sow:
Foolish man! the seed you yourself sow has no life given to it unless it first dies;
and as for what you sow, it is not the plant which is to be that you are sowing, but a bare grain, of wheat (it may be)
Their case is that described in the true proverb, "A dog returns to what he has vomited," and also in the other proverb, "The sow has washed itself and now goes back to roll in its filth."