Specific Dharmas of Four Yugas - Verse 58

Indra said: They are further differentiated through the whims of the sons of sages, when the order of Mantra and Brāhmaṇa texts is altered and the accents and letters are changed. The compendiums of Ṛk, Yajus and Samans are compiled by the learned men. Although the texts are common, they are differentiated due to different view-points.