2 Bible Verses about feedback

For it is true when I say, not one little letter or even a portion of a letter will be removed from the law of Moses until everything is accomplished [that is required by them]. [When that happens, then] heaven and earth will pass away [i.e., be destroyed. See II Peter 3:12].

When the apostles returned they told Jesus what they had done. Then Jesus took them and went away privately to a town called Bethsaida. [Note: This town was on the east side of Lake Galilee, and apparently was a different "Bethsaida" from the one mentioned in Mark 6:45].