Related Clues:

• One's belief in life and love accepted by boy and girl
• School with hippy founders ditching conservative belief system
• Study of the nature of knowledge
• 'A walk on the slippery rocks,' per Edie Brickell
• Thinking of Socrates?
• System of belief nastily put as 'popish' and 'holy'
• First P of PPE
• Conservative abandons school with hippy, radical way of thinking
• Eg, Stoicism
• Ideology of holy Popish structure
• Study of the Punxsutawney groundhog?
• Pope endlessly fiddling with his holy principles
• Nothing separating boy and girl's principles
• Personal outlook on life
• Subject written about by Discipline writer Alain De Botton