‘Who is man, and what his placeAnxious asks the heart, perplextIn this recklessness of space,Worlds with worlds thus intermixt:What has he, this atom creature,In the infinitude of Nature?’
F.T. Palgrave (1824-97) was an english poet and critic. I thought I’d start with one of my favourites! I don’t know the original source; Alfred Russel Wallace quoted it in one of his books.