A friend, therefore, is a sort of paradox in nature. I who alone am, I who see nothing in nature whose existence I can affirm with equal evidence to my own, behold now the semblance of my being, in all its height, variety, and curiosity, reiterated in a foreign form; so that a friend may well be reckoned the masterpiece of nature.
As I lounged in the Park, or strolled down Piccadilly, I used to look at everyone who passed me, and wonder, with mad curiosity, what sort of lives they led. some of them fascinated me. Others filled me with terror.