From Books Do Furnish a Room:
The General, speaking one felt with authority, always insisted that, if you bring off adequate preservation of your personal myth, nothing much else in life matters. It is not what happens to people that is significant, but what they think happens to them.
And later on that same page:
Others–Evadne Clapham led this school of thought–dismissed such brooding with execrations against priggishness, assurances that Trapnel would ‘grow up’. When Evadne Clapham expressed this latter presumption, Mark Membes observed that he could think of no instance of an individual who, having missed that desirable attainment at the normal stage of human development, successfully achieved it in later life. If was hard to disagree.