Quarreling over food and drink, having neither scruples nor shame, not knowing right from wrong, not trying to avoid death or injury, not fearful of greater strength or of greater numbers, greedily aware only of food and drink - such is the bravery of the dog and boar.

Xunzi: A Translation and Study of the Complete Works (ed. Stanford University Press, 1988) - ISBN: 9780804714518