Perfect friendship is the friendship of men who are good, and alike in excellence; for these wish well alike to each other qua good, and they are good in themselves.
AristotleOf the irrational part of the soul again one division appears to be common to all living things, and of a vegetative nature.
AristotleHappiness is essentially perfect; so that the happy man requires in addition the goods of the body, external goods and the gifts of fortune, in order that his activity may not be impeded through lack of them.
Aristotle