No material circumstances can check your Krsna consciousness. When it is, you are firmly convinced and situated in that position, that is real bhakti-yoga. Nothing can disturb you. Nobody can say, "Oh, for this condition, now I am unable to prosecute this Krsna consciousness." That means he was never in Krsna consciousness. Nothing can check.

>>> Ref. VedaBase => Sri Caitanya-caritamrta, Adi-lila 3.87-88 — New York, December 27, 1966