To show causeless mercy to the devotees who would take birth in the future in this Age of Kali, the Supreme Personality of Godhead, Kṛṣṇa, acted in such a way that simply by remembering Him one will be freed from all the lamentation and unhappiness of material existence. [In other words, He acted so that all future devotees, by accepting the instructions of Kṛṣṇa consciousness stated in Bhagavad-gītā, could be relieved from the pangs of material existence.]