“And why should man, added he, pretend to an exemption from the lot of all other animals? The whole earth, believe me, PHILO, is cursed and polluted. A perpetual war is kindled amongst all living creatures. Necessity, hunger, want, stimulate the strong and courageous: Fear, anxiety, terror, agitate the weak and infirm. The first entrance into life gives anguish to the new-born infant and to its wretched parent: Weakness, impotence, distress, attend each stage of that life: and it is at last finished in agony and horror.”
Demea to Philo, Part X
Dialogues Concerning Natural Religion (1779)
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David Hume 138
Scottish philosopher, economist, and historian 1711–1776Related quotes

On Being, The Wisdom of Tenderness (transcript) http://www.onbeing.org/program/wisdom-tenderness/transcript/1369 Interview with Krista Tippett, December 24, 2009
From interviews and talks

Source: Law and Authority (1886), II
Context: The hospitality of primitive peoples, respect for human life, the sense of reciprocal obligation, compassion for the weak, courage, extending even to the sacrifice of self for others which is first learnt for the sake of children and friends, and later for that of members of the same community — all these qualities are developed in man anterior to all law, independently of all religion, as in the case of the social animals. Such feelings and practices are the inevitable results of social life. Without being, as say priests and metaphysicans, inherent in man, such qualities are the consequence of life in common.
But side by side with these customs, necessary to the life of societies and the preservation of the race, other desires, other passions, and therefore other habits and customs, are evolved in human association. The desire to dominate others and impose one's own will upon them; the desire to seize upon the products of the labor of a neighboring tribe; the desire to surround oneself with comforts without producing anything, while slaves provide their master with the means of procuring every sort of pleasure and luxury — these selfish, personal desires give rise to another current of habits and customs.

August 9, 1965, when Lee announced the separation of Singapore from Malaysia, as quoted in The Theatre and the State in Singapore: Orthodoxy and Resistance, Terence Chong
1960s

"Alyssa Milano on Pets and Best Friends", interview with Parade (24 June 2013) https://parade.com/24465/michelechollow/alyssa-milano-on-pets-and-best-friends/.