"The Lord is my shepherd...He guides me in the paths of righteousness for His name's sake."  
(Psalms 23:1,3)

"Zeal for your house has consumed me. Reproach has broken my heart and I am sick. And I looked for sympathy, but there was none. They gave me gall for food and for my thirst they gave me vinegar to drink." (Psalms 69:9,20)

"He pastures the wilderness with showers and the hills gird themselves with rejoicing." 

(Psalms 65:12)

"All my springs of joy are in you." 

Psalms 87:7

"To Him who alone does great wonders, for His loving kindness is everlasting." 

" I will lift up my eyes to the mountains; from where shall my help come? My help comes from the Lord, who made heaven and earth." (Psalm 121:1-2)

"Create in me a clean heart, O God, and renew a steadfast spirit within me. Do not cast me away from Your presence and do not take Your Holy Spirit from me. Restore to me the joy of your salvation and sustain me with a willing spirit." (Psalm 51:10-12)