The Philosopher's Pupil (1983) p. 76.
Context: The sin of pride may be a small or a great thing in someone's life, and hurt vanity a passing pinprick or a self-destroying or even murderous obsession. Possibly, more people kill themselves and others out of hurt vanity than out of envy, jealousy, malice or desire for revenge.
Quotes from book
The Philosopher's Pupil

The Philosopher's Pupil is a 1983 novel by the British writer and philosopher Iris Murdoch. It is set in a small English spa town called Ennistone.
The Philosopher's Pupil (1983) p. 165.