Through all Eternity toThee A joyful Song I'll raise, For oh! Eternity's too short To utter all thy Praise.

-Addison,Joseph
  In The Spectator, no.453, 9  Aug.

He isjoyful with swift movement when a mouse sticks in his sharp paw. I too am joyful when I understand a dearly loved difficult problem.

-Anonymous
c.820  'Me and Pangur Ba¤  n', by an unidentified cat-owning scholar, translated in Gerard Murphy Early Irish Lyrics (1956), no.1.

O come let us sing unto the L: let us make a joyful noise to the rock of our salvation. Let us come before his presence with thanksgiving, and make a joyful noise unto him with psalms. Psalms

-Bible (Old Testament)
ORDPsalms 95:1^2.

O be joyful in the Lord, all ye lands: serve the Lord with gladness, and come before his presence with a song.

-Book of Common Prayer
Psalm100:1.

Toda la cristiandad debe tomar alegr|¤a y hacer grandes fiestas, y dar gracias solemnes a la SantaTrinidad, con muchas oraciones solemnes por el tanto ensalzamiento que habra¤  n, en torna¤  ndose tantos pueblos a nuestra Santa Fe, y despue¤  s por los bienes temporales que no solamente a la Espan‹  a, mas a todos los cristianos tendra¤  n aqu |¤ refigerio y ganancia. All Christendom ought to feel joyful and make great Compton-Burnett celebrations and give solemn thanks to the HolyTrinity with many solemn prayers for the great exaltation which it will have, in the turning of so many people to our holy faith, and afterwards for material benefits, since not only Spain but all Christians will hence have refreshment and profit.

-Columbus, Christopher Spanish name  Cristo¤  bal Colo¤  n
  Carta del descubrimiento (translated as The Letter in Spanish of Christopher Columbus,1889).