Negativity

Proverbs 17:22
22 A cheerful heart is good medicine,
    but a broken spirit saps a person’s strength.

Romans 12:2
2 Don’t copy the behavior and customs of this world, but let God transform you into a new person by changing the way you think. Then you will learn to know God’s will for you, which is good and pleasing and perfect.

Philippians 4:8
8 And now, dear brothers and sisters, one final thing. Fix your thoughts on what is true, and honorable, and right, and pure, and lovely, and admirable. Think about things that are excellent and worthy of praise.