'Through reason we recognise the form of the good life'
'Human flourishing'/'Human excellence'
'Things are excellent that best fulfil their function'
'Human beings are social animals'
'The state of nature'
'solitary, poor, nasty, brutish, and short.' (describing life in the state of nature)
'An agreement for our mutual benefit'
Social contract theories of ethics
'Act only according to a principle that you could will to become a universal law'
'The categorical imperative'
'Maxims confer specific duties'
Deontological theories of ethics