Before you can understand Jesus, there is a lesson to be learned about the Israelites, so you understand God/Yahweh. And how he sees your murmuring and complaining about others.
http://www.eliyah.com/talmidim/murmur.html
NT: James 5:8
Do you remember reading where Satan tempted Christ and quoted scripture to him?
Christ corrected him and quoted scripture correctly. People misuse scripture all the time but it is not the Bible which is wrong, it is the way people are misusing it by twisting it’s meaning.
James 5:1