Only remember the lotus feet of Sri Radha-Krsna. By Their blessings only. Yes, you have done everything. Nothing is left unfinished. Thus there is no room for doubt.
NM is very clear and final here.
Srila Prabhupada was able to complete everything in his lifetime. He did not run out of time. Because worldly persons, general persons, those who are not rasika vaisnavas, they don't know tattva, they have not gone to association with any vaisnava, they think that this is a very good thing. Then he was only the servant of Mahavisnu, not of Krishna. But to dig and to sweep is not everything.