The most joyful Christians are those who meet with God daily.
You make known to me the path of life, you will fill me with joy in your presence, with eternal pleasures at your right hand. Psalms 16:11
for I delight in your commands because, I love them. Psalms 119:47.
Oh, how I love your law! I meditate on it all day long. Psalms 119:97
I rejoice in your promise like one who finds great spoil. Psalms 119:162
When your words came, I ate them; they were my joy and my heart’s delight for I bear your name, Lord God Almighty. Jeremiah 15:16