When I was a child, I thought,Casually, that solitudeNever needed to be sought.Something everybody had,Like nakedness, it lay at hand,Not specially right or specially wrong,A plentiful and obvious thingNot at all hard to understand.Then, after twenty, it becameAt once more difficult to getAnd more desired -- though all the sameMore undesirable; for whatYou are alone has, to achieveThe rank of fact, to be expressedIn terms of others, or it's justA compensating make-believe.Much better stay in company!To love you must have someone else,Giving requires a legatee,Good neighbours need whole parishfulsOf folk to do it on -- in short,Our virtues are all social; if,Deprived of solitude, you chafe,It's clear you're not the virtuous sort.Viciously, then, I lock my door.The gas-fire breathes. The wind outsideUshers in evening rain. Once moreUncontradicting solitudeSupports me on its giant palm;And like a sea-anemoneOr simple snail, there cautiouslyUnfolds, emerges, what 
Philip Larkin, Collected Poems
company, solitude, virtues