Christian joy is interior. It doesn’t come from without but from within – like certain alpine lakes which are fed not from a river that flows from outside, but from a spring of water welling up from their very foundations. It comes from God’s mysterious and present action in the human heart through grace. It can cause us to abound with joy in our sufferings (cf. 2 Cor 7: 4). It is the “fruit of the Spirit” (Gal 5: 22, Rom 14:17) and is expressed in peace of heart, fullness of meaning, the ability to love and to be loved, and above all in hope, without which there can be no joy.
Fr. Raniero Cantalamessa