Jn 14:27, Col 3:15, Ps 55:22, Mt 6:28-34, 1 Pt 5:7
Do not be anxious about anything, but seek first his kingdom and his righteousness. That is, you must preach the gospel of Christ. Then the peace of Christ will keep you. (Mt 6:28-34, Phil 4:6-7, Jn 14:27, Col 3:15)
Mt 6:28 And why take ye thought for raiment? Consider the lilies of the field, how they grow; they toil not, neither do they spin: 29 And yet I say unto you, That even Solomon in all his glory was not arrayed like one of these. 30 Wherefore, if God so clothe the grass of the field, which to day is, and to morrow is cast into the oven, shall he not much more clothe you, O ye of little faith? 31 Therefore take no thought, saying, What shall we eat? or, What shall we drink? or, Wherewithal shall we be clothed? 32 (For after all these things do the Gentiles seek:) for your heavenly Father knoweth that ye have need of all these things. 33 But seek ye first the kingdom of God, and his righteousness; and all these things shall be added unto you. 34 Take therefore no thought for the morrow: for the morrow shall take thought for the things of itself. Sufficient unto the day is the evil thereof.
Phil 4:6 Be careful for nothing; but in every thing by prayer and supplication with thanksgiving let your requests be made known unto God. 7 And the peace of God, which passeth all understanding, shall keep your hearts and minds through Christ Jesus.
Jn 14:27 Peace I leave with you, my peace I give unto you: not as the world giveth, give I unto you. Let not your heart be troubled, neither let it be afraid.
Col 3:15 And let the peace of God rule in your hearts, to the which also ye are called in one body; and be ye thankful.
Leave all your worries on God. God takes care of us. (Ps 55:22, 1 Pt 5:7)
Ps 55:22 Cast thy burden upon the Lord, and he shall sustain thee: he shall never suffer the righteous to be moved.
1 Pt 5:7 Casting all your care upon him; for he careth for you.