If you make it a vow that "I shall not eat anything which is not offered to Krsna," that means it is a surrender. You surrender to Krsna, that "My dear Lord, I shall not eat anything which is not offered to You." That's vow. That vow is surrender: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.