Possible Clues:

• Nothing is important to this philosopher
• As a rule, nothing would suit him better
• A real sceptic ought, some say, to accept 'Hello!' lives with final pinch of salt
• One rejecting all values, belief in existence etc
• Philistine lacking the power and energy is frustrated by extreme sceptic
• One who believes in nothing
• Agnostic, sceptic
• Ill-cultured philistine rejecting first, last and all other morals
• Extreme sceptic is hit in Liberal reorganisation
• One who's never seen The Meaning of Life?