Definitions: (1) the act of expressing delight and gladness; (2) the experience of happiness; a cause for joy
Quotes:
• Understanding is joyous. — Carl Edward Sagan (1934–1996) American astronomer & professor
• He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has. — Epictetus (55-135) Greek Stoic philosopher