SB 10.20.23
jalaughair nirabhidyanta
setavo varsatisvare
pasandinam asad-vadair
veda-margah kalau yatha
Translation:
When Indra sent forth his rains, the floodwaters broke through the irrigation dikes in the agricultural fields, just as in the Kali-yuga the atheists’ false theories break down the boundaries of Vedic injunctions.