I had a strong sudden ...

I had a strong sudden instinct that I must be alone. I didn’t want to see any people at all. I had seen so many people all my life -- I was an average mixer, but more than average in a tendency to identify myself, my ideas, my destiny, with those of all classes that came in contact with. I was always saving or being saved -- in a single morning I would go through the emotions ascribable to Wellington at Waterloo. I lived in a world of inscrutable hostiles and inalienable friends and supporters.
I had a strong sudden instinct that I must be alone. I didn’t want to see any people at all. I had seen so many people all my life -- I was an average mixer, but more than average in a tendency to identify myself, my ideas, my destiny, with those of all classes that came in contact with. I was always saving or being saved -- in a single morning I would go through the emotions ascribable to Wellington at Waterloo. I lived in a world of inscrutable hostiles and inalienable friends and supporters.

Quotes from the same author

When a man is tired of life on his 21st birthday it indicates that he is rather tired of something in himself.
Thirty--the promise of a decade of loneliness, a thinning list of single men to know, a thinning brief-case of enthusiasm, thinning hair.
mother says that two souls are sometimes created together and--and in love before they're born.
Never confuse activity with action.
I think they're very attractive,' Abe agreed. 'I just don't think they're attractive, that's all.