Romans 12:16
Desire the same thing one for another; desire not the high, but be satisfied with the humble. Be not wise in your own conceit.
Matthew 6:25-32
On this account I tell you, be not anxious for your soul, what you shall eat, or what you shall drink; nor for your body, what you shall put on, is not the soul more than food, and the body more than clothing?
1 Corinthians 7:26-32
I think then that this is good on account of the present necessity, because it is good for man to be so.
1 Timothy 6:6-9
But piety with contentment is great gain.
Hebrews 13:5
Let your life be without avarice, and be contented with what you have; for he said, I will never leave you, I will never forsake you;