SB 12.3.29

yadā lobhas tv asantoṣo
 māno dambho ’tha matsaraḥ
karmaṇāṁ cāpi kāmyānāṁ
 dvāparaṁ tad rajas-tamaḥ
Word for word: 
yadā — when; lobhaḥ — greed; tu — indeed; asantoṣaḥ — dissatisfaction; mānaḥ — false pride; dambhaḥ — hypocrisy; atha — and; matsaraḥ — envy; karmaṇām — of activities; ca — and; api — also; kāmyānām — selfish; dvāparam — the age of Dvāpara; tat — that; rajaḥ-tamaḥ — predominated by a mixture of the modes of passion and ignorance.
Translation: 
When greed, dissatisfaction, false pride, hypocrisy and envy become prominent, along with attraction for selfish activities, such a time is the age of Dvāpara, dominated by the mixed modes of passion and ignorance.