Research
I'm currently reading John Irving's The World According to Garp and I came across the following quote by Horace Walpole:
"the world is a tragedy to those who feel, but a comedy to those who think" (which, though an obvious simplification of humanity, I really do like)
Upon looking up Walpole's history, I learned that he coined one of my father's most favorite terms - serendipity.
Another nice quote of his:
"The whole secret of life is to be interested in one thing profoundly and in a thousand things well."
And a couple of quick references: