-
"True wisdom comes to each of us when we realize how little we understand about life, ourselves, and the world around us." -
"Virtue is a kind of health, beauty, and good habit of the soul." -
"We do not act rightly because we have virtue or excellence, but we rather have those because we have acted rightly" -
"Morality is not the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness." -
"Certainly it is wrong to be cruel to animals and the destruction of a whole species can be a great evil. The capacity for feelings of pleasure and pain and for the form of life of which animals are capable clearly impose duties of compassion and humanity in their case."