And turn ye not aside: for then should ye go after vain things, which cannot profit nor deliver; for they are vain. After vain things - That is, idols; which he calls here התהו hattohu, the same expression found Genesis 1:2. The earth was תהו tohu; it was waste, empty, and formless: so idols; they are confusion, and things of naught, for an idol is nothing in the world, it is not the representative of any intelligent being.
Related Commentaries of 1 Samuel 12:21
1 Samuel 12:21
21 And turn ye not aside: for then should ye go after vain things, which cannot profit nor deliver; for they are vain.