One verse

Srimad Bhagavatam 12.3.20

12.3.20

त्रेतायां धर्मपादानां तुर्यांशो हीयते शनै: । अधर्मपादैरनृतहिंसासन्तोषविग्रहै: ॥ २० ॥

tretāyāṁ dharma-pādānāṁ turyāṁśo hīyate śanaiḥ adharma-pādair anṛta- hiṁṣāsantoṣa-vigrahaiḥ

tretāyām
in the second age
dharma-pādānām
of the legs of religion
turya
one fourth
aṁśaḥ
part
hīyate
is lost
śanaiḥ
gradually
adharma-pādaiḥ
by the legs of irreligion
anṛta
by falsity
hiṁsā
violence
asantoṣa
dissatisfaction
vigrahaiḥ
and quarrel

In Tretā-yuga each leg of religion is gradually reduced by one quarter by the influence of the four pillars of irreligion — lying, violence, dissatisfaction and quarrel.