Moses
Psalm 12:2BSB·traditional attribution

They lie to one another; they speak with flattering lips and a double heart.

John Calvin Reformed @genevareformer

PSALM 12. David, deploring the wretched and forlorn condition of his people, and the utter overthrow of good order, beseeches God to afford them speedy relief. Then, in order to comfort both himself and all the godly, after having mentioned God’s promise of assisting his people, he magnifies his faithfulness and constancy in performing his promises.

Commenting on Psalm 12:1-8

C.H. Spurgeon Reformed Baptist @princeofpreachers

"They speak vanity every one with his neighbour." They utter that which is vain to hear, because of its frivolous, foolish, want of worth; vain to believe, because it was false and lying; vain to trust to, since it was deceitful and flattering; vain to regard, for it lifted up the hearer, filling him with proud conceit of himself.

Matthew Henry Presbyterian @wholebiblehenry

This psalm furnishes us with good thoughts for bad times, in which, though the prudent will keep silent (Amo 5:13) because a man may then be made an offender for a word, yet we may comfort ourselves with such suitable meditations and prayers as are here got ready to our hand. I.

Commenting on Psalm 12:1-8