Alan

“I learned to look more upon the bright side of my condition, and less upon the dark side, and to consider what I enjoyed, rather than what I wanted : and this gave me sometimes such secret comforts, that I cannot express them ; and which I take notice of here, to put those discontented people in mind of it, who cannot enjoy comfortably what God has given them, because they see and covet something that he has not given them. All our discontents about what we want appeared to me to spring from the want of thankfulness for what we have.”
― Daniel Defoe, Robinson Crusoe

“These reflections made me very sensible of the goodness of Providence to me, and very thankful for my present condition, with all its hardships and misfortunes ; and this part also I cannot but recommend to the reflection of those who are apt, in their misery, to say, Is any affliction like mine? Let them consider how much worse the cases of some people are, and their case might have been, if Providence had thought fit.”
― Daniel Defoe, Robinson Crusoe

“The upshot of all this is that we live in a universe whose age we can’t quite compute, surrounded by stars whose distances we don’t altogether know, filled with matter we can’t identify, operating in conformance with physical laws whose properties we don’t truly understand. And”
― Bill Bryson, A Short History of Nearly Everything

“I could not forbear getting up to the top of a little mountain, and looking out to sea, in hopes of seeing a ship : then fancy that, at a vast distance, I spied a sail, please myself with the hopes of it, and, after looking steadily, till I was almost blind, lose it quite, and sit down and weep like a child, and thus increase my misery by my folly.”
― Daniel Defoe, Robinson Crusoe