To feel that your hours are filled to overflowing, that you can barely steal minutes enough for sleep, that the welfare of many is entrusted to you, that the world looks on and approves, that some good is always being done to others -- above all things some good to your country; -- that is happiness.
Anthony TrollopeWhen a man wants to write a book full of unassailable facts, he always goes to the British Museum.
Anthony Trollope