The principle of happiness should be like the principle of virtue: it should not be dependent of things, but be a part of personality [and character].
![The principle of happiness should be like the principle of virtue: it should not be dependent of things, but be a part of personality [and character].](http://cdn.quoteddaily.com/images/william-lyon-phelps/the-principle-of-happiness-should-be-like-the-principle-of-virtue-it-should-not-be-dependent-of-things-but-be.jpg)
The principle of happiness should be like the principle of virtue: it should not be dependent of things, but be a part of personality [and character].