jnana-yajnena capy anyeyajanto mam upasateekatvena prthaktvenabahudha visvato-mukham
(The Most Confidential Knowledge, Text 15, Chapter 9)
Meaning: Others, who engage in sacrifice by the cultivation of knowledge, worship the Supreme Lord as the one without a second, as diverse in many, and in the universal form.
Bhagavad Gita: Those who are purely in Krsna consciousness and do not know anything other than Krsna, called Mahatma. (The Most Confidential Knowledge, Text 15, Chapter 9)