Attributable quotations

Jane Austen
"It is a truth universally acknowledged that a single man in possession of a good fortune must be in want of a wife"
Dorothy Parker
Dorothy Parker had the reputation of being able to make a pun on any word. Someone challenged her with horticulture. She replied: "You can lead a whore to culture, but you cannot make her think."
Mark Twain
“When I was a boy of 14, my father was so ignorant I could hardly stand to have the old man around. But when I got to be 21, I was astonished at how much the old man had learned in seven years.”
Xenophanes
“The certain truth there is no man who knows, nor ever shall be, about the gods and all things whereof I speak. Yea, even if a man should chance to say something utterly right, still he himself knows it not --- there is nowhere anything but guessing."