ðɪ ˈɜːli jˈuːpɐnˌɪʃædz bˈɪlt əpˌɑːn ðɪs θˈiːm, wˌaɪl ɪn pˈæɹəlˌɛl ðɛɹ ɪmˈɜːdʒd bˈuːdɪzəm, dʒˈeɪnɪzəm ænd ˈʌðɚ skˈɛptɪkəl tɹɐdˈɪʃənz.
The early Upanishads built upon this theme, while in parallel there emerged Buddhism, Jainism and other skeptical traditions.