There are so many convincing arguments, i.e. the Bhagavad-Gita, to bring us to the right point of surrender. Even the Karma-Kanda, and Jnana-Kanda, sections of the Vedas are designed to bring to the proper Sidhanta, conclusion. And that conclusion is made by Krishna in the Gita, that one who knows the purpose behind the Vedas, surrenders unto Him.
Letter to Dr. Aggarwal, 7 March, 1973