I Peter 5:7 Casting all your care upon him; for he careth for you.
 
John 14:1
Let not your heart be troubled; ye believe in God, believe also in me.
 
Philippians 4:6,7
Be careful for nothing; but in every thing by prayer and supplication with thanksgiving let your requests be made known unto God. And the peace of God, which passeth all understanding, shall keep your hearts and minds through Jesus Christ.