One verse

Srimad Bhagavatam 3.11.21

3.11.21

धर्मश्चतुष्पान्मनुजान् कृते समनुवर्तते । स एवान्येष्वधर्मेण व्येति पादेन वर्धता ॥ २१ ॥

dharmas catus-pan manujan krte samanuvartate sa evanyesv adharmena vyeti padena vardhata

dharmah
religion
catuh-pat
complete four dimensions
manujan
mankind
krte
in the Satya-yuga
samanuvartate
properly maintained
sah
that
eva
certainly
anyesu
in other
adharmena
by the influence of irreligion
vyeti
declined
padena
by one part
vardhata
gradually increasing proportionately.

O Vidura, in the Satya millennium mankind properly and completely maintained the principles of religion, but in other millenniums religion gradually decreased by one part as irreligion was proportionately admitted.