All the days of the oppressed are miserable, but a cheerful heart has a continual feast.

A joyful heart is good medicine, but a broken spirit dries up the bones.

For our boast is this: the testimony of our conscience that we have conducted ourselves in the world, and especially toward you, with God-given sincerity and purity, not by fleshly wisdom but by God's grace.

Anxiety in a man's heart weighs it down, but a good word cheers it up.

A man's spirit can endure sickness, but who can survive a broken spirit?

so the king said to me, "Why are you sad, when you aren't sick? This is nothing but sadness of heart." I was overwhelmed with fear

"Your heart must not be troubled. Believe in God; believe also in Me.

so now you should forgive and comfort him instead; otherwise, this one may be overwhelmed by excessive grief.

For godly grief produces a repentance not to be regretted and leading to salvation, but worldly grief produces death.