" I guess you are,” said Lee. “You have a strange way about you, Dr Grumman. You ever spend any time among the witches?” “Yes,” said Grumman. “And among academicians, and among spirits. I found folly everywhere, but there were grains of wisdom in every stream of it. No doubt there was much more wisdom that I failed to recognize. Life is hard, Mr Scoresby, but we cling to it all the same. "

― Philip Pullman , His Dark Materials (His Dark Materials #1-3)