Matthew Poole and continuators on Ecclesiastes 5:9

9 Moreover, the profit of the earth is for all : the king himself is served by the field .

The fruits procured from the Earth by the skill and labour of the Husbandman.

Are necessary and beneficial to all men whatsoever. The Wise Man, after some Interruption, returns to his former subject, to discourse of the vanity of great Riches, one argument or evidence whereof he seems to mention in this Verse, to wit, that the poor Labourer enjoyeth the fruits of the Earth as well as the greatest Monarch, and that the richest Man in the World depends as much upon them as the poorest.

Is supported by the Fruits of the Field. Or, as many others render it, serves or is a servant to the Field, depends upon it, is obliged to see that his Fields be tilled and dressed that he may have subsistence for himself, and for his Servants and Subjects.