Quran 22:24

Beware of the anger of the tongue, and control thy tongue! Leave the sins of the tongue, and practise virtue with thy tongue!

For he that speaketh in an unknown tongue speaketh not unto men, but unto God: for no man understandeth him; howbeit in the spirit he speaketh mysteries.

entire pantheon. 1. To Agni we speak and to the trees, to the plants and to the herbs; to Indra, Brihaspati, and Sûya: they shall deliver us from calamity! 2. We speak to king Varuna, to Mitra, Vishnu and Bhaga. To Amsa and Vivasvant do we speak: they shall deliver us from calamity! 3. We speak to Savitar, the god, to Dhâtar, and to Pûshan; to first-born Tvashtar do we speak: they shall deliver us from calamity! 4. We speak to the Gandharvas and the Apsaras, to the Asvins and to Brahmanaspati, to the god whose name is Aryaman: they shall deliver us from calamity! 5. Now do we speak to day and night, to Sûrya (sun) and to Kandramas (moon), the twain; to all the Âdityas we speak: they shall deliver us from calamity! 6. We speak to Vâta (wind) and Parganya, to the atmosphere and the directions of space. And to all the regions do we speak: they shall deliver us from calamity! 7. Day and night, and Ushas (dawn), too, shall deliver thee from curses! Soma the god, whom they call Kandramas (moon), shall deliver me! 8. To the animals of the earth and those of heaven, to the wild beasts of the forest, to the winged birds, do we speak: they shall deliver us from calamity! 9. Now do we speak to Bhava and Sarva, to Rudra and Pasupati; their arrows do we know well: these (arrows) shall be ever propitious to us! 10. We speak to the heavens, and the stars, to earth, the Yakshas, and the mountains; to the seas.. the rivers, and the lakes: they shall deliver us from calamity! 11. To the seven Rishis now do we speak, to the divine waters and Pragâpati. To the Fathers with Yama at their head: they shall deliver us from calamity! 12. The gods that dwell in heaven, and those that dwell in the atmosphere; the mighty (gods) that are fixed upon the earth, they shall deliver us from calamity! 13. The Âdityas, Rudras, Vasus, the divine Atharvans in heaven, and the wise Angiras: they shall deliver us from calamity! 14.

Words causing no man woe, words ever true, Gentle and pleasing words, and those ye say In murmured reading of a Sacred Writ,-- These make the true religiousness of Speech.