Joy is a spiritual buoyancy that comes when we are rejoicing in God. This joy, this buoyancy, does not mean we are impervious to suffering; it means we are unsinkable.
The Joy of Christmas
“Behold, I bring you good tidings of great joy which will be to all people.” Luke 2:10
First, those “good tidings” are actually the best possible news: In sending Jesus, God threw open a door for us to make our way back to Him.