Luke 12:22
"And he said unto his disciples, Therefore I say unto you, Take no thought for your life, what ye shall eat; neither for the body, what ye shall put on."
Cross References (ranked by relevance)
Philippians 4:6
16
Be careful for nothing; but in every thing by prayer and supplication with thanksgiving let your requests be made known unto God.
Hebrews 13:5
11
Let your conversation be without covetousness; and be content with such things as ye have: for he hath said, I will never leave thee, nor forsake thee.
1 Corinthians 7:32
But I would have you without carefulness. He that is unmarried careth for the things that belong to the Lord, how he may please the Lord:
Luke 12:29
And seek not ye what ye shall eat, or what ye shall drink, neither be ye of doubtful mind.