Joy wholly from without is false, precarious and short. Joy from within is like smelling the rose on the tree; it is more sweet, and fair, and lasting. Young.
Joy's a subtle elf; / I think man's happiest when he forgets himself. Cyril Tourneur.
Joys are for the gods; / Man's common course of nature is distress; / His joys are prodigies; and like them too, / Portend approaching ill. The wise man starts / And trembles at the perils of a bliss. Young.
Joys are our wings, sorrows are our spurs. 50 Jean Paul.
Joys carried too far change into sorrows. Justin Bertuch.
Joy's recollection is no longer joy, while sorrow's memory is a sorrow still. Byron.
Joys shared with others are more enjoyed. Pr.
Joys, tender and true, / Yet all with wings. Proctor.
Joyful to live, yet not afraid to die. Prior. 55
Joyfulness (Freudigkeit) is the mother of all virtues. Goethe.