Philippians 4:6-7 (KJV)
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 Christ Jesus.

2 Thessalonians 3:16 (NIV)

Now may the Lord of peace himself give you peace at all times and in every way. The Lord be with all of you.

May our hearts through prayer
Dive into the everlasting oceanic
Wondrous splendors
Of His omnipotent peace
Which passes
All understanding
Until all else is silenced
Except the splendid voice of Christ
That either calms the waves of the storm
Or calms His child in the midst
Of the turbulent seas.