For what Harley Street specialist has time to understand the body, let alone the mind or both in combination, when he is a slave to thirteen thousand a year?
Almost any biographer, if he respects facts, can give us much more than another fact to add to our collection. He can give us the creative fact; the fertile fact; the fact that suggests and engenders.
I can only note that the past is beautiful because one never realises an emotion at the time. It expands later, and thus we don't have complete emotions about the present, only about the past.
