"We were just coming out of the ’60s change-your-consciousness thing, and many of us were in our heads, and wanting to meditate, and reach Samadhi, or enlightenment. He was, like, ‘Stand on your feet. Feel your feet.’ He was so practical. His famous quote was, ‘How can you know God if you don’t know your big toe?’"
January 1, 1970
https://en.wikiquote.org/wiki/B._K._S._Iyengar