Full Idea
Virtue must spring from that intuitive knowledge which recognises in the individuality of others the same essence as in our own.
Gist of Idea
Virtue must spring from an intuitive recognition that other people are essentially like us
Source
Arthur Schopenhauer (The World as Will and Idea [1819], IV.66)
Book Reference
Schopenhauer,Arthur: 'The World as Will and Idea', ed/tr. Berman,Jill and David [Everyman 1995], p.230
A Reaction
After all his pessimism, he arrives at a view similar to Hume's, that morality is built on natural empathy. But why built a moral theory on one base. Everything points us towards morality! Moral actions are more beautiful.