 Certain Buddhist teachings appear to have been formulated in response to ideas presented in the early Upanishads – in some cases concurring with them, and in other cases criticizing or re-interpreting them.The influence of Upanishads, the earliest philosophical texts of Hindus, on Buddhism has been a subject of debate among scholars.While Radhakrishnan, Oldenberg and Neumann were convinced of Upanishadic influence on the Buddhist canon, Eliot and Thomas highlighted the points where Buddhism was opposed to Upanishads.