43 Jesus decidedly answered, and says to them, "Stop the grumbling buzz of murmuring (under-toned mutterings of critical and discontented comments like a swarm of bees) with one another!
John 6:43 Cross References - JMNT
Matthew 16:8
8 Now Jesus, being aware [of their conversations] and knowing [what they were saying], said, "Why do you folks keep on discussing and reasoning among yourselves, O men of little trust and small faith? [Is it] because you are not presently having loaves of bread?
Mark 9:33
33 So they came into Capernaum, and happening to be within the house, He began inquiring of them, "What had you men been reasoning-through and trying to settle (or: debating; arguing) among yourselves on the way (or: in the road)?"
John 6:64
64 "But there continue being some from among you folks who are not ones habitually trusting (or: who do not presently believe)." For Jesus had seen, and thus knew, from out of the beginning which ones continue being those not habitually trusting (or: not presently believing), and who is the one [that was] going to turn (or: hand) Him over.
John 16:19
19 Jesus knew [with other MSS: then came to know] that they were wanting and intending to be questioning (or: asking) Him, so He said to them, "Are you men continuing to seek with one another (among yourselves) about this, because I said, 'A little [while] and you do not continue attentively watching Me, and yet then again a little [while], and you will continue seeing Me'?
Hebrews 4:13
13 And no creature (thing formed, framed or created) is (or: exists being) out of sight (not manifest; concealed) in His (or: in Its – i.e., the Word's) presence, but all things [are] naked and have been gripped and bent back at the neck [thus, exposing the face and throat] to (or: in; by) His (or: Its) eyes, face to face with Whom (or: Which) in us (or: to us; for us; with us) [is] this Word (or: with a view to Whom by us [is] the message and the account; or: toward whom, for us and among us, [comes] the Idea and the Reason).