Bhagavatapurana 4.8.17

4.8.17

dīrghaṃ śvasantī vṛjinasya pāram apaśyatī bālakam āha bālā /
māmaṅgalaṃ tāta pareṣu maṃsthā bhuṅkte jano yat para-duḥkhadas tat //

17. Heaving long sighs and not seeing a way out of grief, the young queen said to the child do not find fault with others, since a creature eats (experiences) (in its turn) only the grief which it has caused to others.