Vivekananda: The Vedas are the proof of Krishna. He says spiritual knowledge is always through revelation. What he gave to humanity was this great sage, Patanjali. Veda's first, Darshanalator. Even the Bhagavad Gita is based upon the Vedas and Upanishads.
Swami Sarvapriyananda teaches Chapter 10 (Verses 1 - 3) of the Bhagavad Gita. In this series of talks, Swami Sarvapriyananda unfolds the highest truths of Vedanta through the study of the Bhagavad Gita (The Song of God).