"Heaven and earth will pass away, but My words will not pass away." -Matthew 24:35, Mark 13:31 and Luke 21:33

"Truly, truly, I say to you, he who hears My word, and believes Him who sent Me, has eternal life, and does not come into judgment, but has passed out of death into life." -John 5:24

"It is the Spirit who gives life; the flesh profits nothing; the words that I have spoken to you are spirit and are life." -John 6:63