They encourage themselves in an evil matter: they talk of laying snares secretly; they say, Who shall see them?
All Commentaries on Psalms 64:5 Go To Psalms 64
Augustine of Hippo
AD 430
8. "They told, in order that they might hide traps: they said, Who shall see them?" (ver. 5). They thought they would escape Him, whom they were killing, that they would escape God. Behold, suppose Christ was a man, like the rest of men, and knew not what was being contrived for Him: doth God also know not? O heart of man! wherefore hast thou said to thyself, Who seeth me? when He seeth that hath made thee? "They said, Who shall see them?" God did see, Christ also was seeing: because Christ is also God. But wherefore did they think that He saw not? Hear the words following.