Thirukkural-On Virtue-Avoidance Of Killing-Kural 330

Add as a preferred source on Google

Those, who live by killing animals, will surely go down To a life of poverty, ill-health and disgrace

This couplet highlights the concomitant evils such as poverty, disease and disgrace that come, even in this life, to a man, who fails to observe the virtue of non-killing and has taken to living by the killing of animals and birds.