here is the list of resources related to this subject
Here are some keys to contentment.
You too can sing hymns in jail at midnight if you know this secret.
Are you looking for happiness in all the wrong places?
And this is the testimony, that God gave us eternal life, and this life is in his Son. Whoever has the Son has life; whoever does not have the Son of God does not have life.
1 John 5:11-12