Malati devi had been commissioned by Hansadutta das to arrange for large Deities for the Hamburg temple and had found a five-foot pair of Radha-Krishna Deities in Jaipur. After returning to Bombay and telling Srila Prabhupada about Them, he immediately wanted Them for Vrindavan, even though Yamuna had been painstakingly working on plans for the Deities who were eventually installed. She later used it to illustrate that the duty of the disciple is to follow the instructions of the Spiritual Master— in essence to flow with the waves of change.
Yamuna: if one is a true disciple of a bona fide Spiritual Master, then he or she must be willing to carry out his orders. So if the Spiritual Master says a rope is a snake, to the disciple it is a snake, and vice versa. The key words here are “bona fide.” When shastra, the previous Acharyas and the Spiritual Master are all in philosophical agreement, then it is the disciples’ duty to simply follow— that is all.