"Know that the Lord has set apart his faithful servant for himself; the Lord hears when I call to him...Offer the sacrifices of the righteous and trust in the Lord... You have filled my heart with joy more than when the grain and new wine abound. In peace I will lie down and sleep, for you alone, Lord, make me dwell in safety."
...and then, going back to re-read the beginning of the chapter and realizing... These words were written from a hard place. From a "not-safe" place. From a time of lack, worry, persecution and distress. Yet, David says: "Praise. Trust. Be glad. Rest."
And, so I shall!
Though the fig tree does not bud and there are no grapes on the vines, though the olive crop fails and the fields produce no food, though there are no sheep in the pen and no cattle in the stalls, 18 yet I will rejoice in the Lord, I will be joyful in God my Savior.
19 The Sovereign Lord is my strength; he makes my feet like the feet of a deer, he enables me to tread on the heights.