2 Bible Verses about dissatisfaction

Jesus answered her, "Everyone who drinks this water will get thirsty again, but whoever drinks the water I give him will never get thirsty [again]. For the water I will give him will become in him [i.e., in his spirit] a spring of water, bubbling up and producing never ending life." [See John 7:38].

Now I urge you, brothers, watch out for those who are causing divisions and occasions for falling [away from God over matters] contrary to the teaching you have learned, and withdraw from them [i.e., stop listening to their false teaching].