Pray without ceasing.
Spiritual joy in God can be constant; rejoice in Him and you have an everlasting feast, even when worldly troubles strike. Prayer without ceasing is the path to that joy. Thanksgiving in all things, even hardship, follows naturally when you pray, for you will always find matter to thank God for.
AI summary
Commenting on 1 Thessalonians 5:16-22
In everything give thanks,.... That is, to God the Father, in the name of Christ; see Eph 5:20 thanks are to be given to him for all things, as the Ethiopic version renders it; for all temporal good things; for our beings, the preservation of them; for food and raiment, and all the mercies of life; for the means of grace, the word and ordinances...
Verse 17. Pray without ceasing. . The direction here may be fairly construed as meaning (1.) that we are to be regular and constant in the observance of the stated seasons of prayer. We are to observe the duty of prayer in the closet, in the family, and in the assembly convened to call on the name of the Lord.