How selfish soever man may be supposed, there are evidently some principles in his nature, which interest him in the fortune of others, and render their happiness necessary to him, though he derives nothing from it except the pleasure of seeing it.
The discovery of a new dish does more for the happiness of mankind than the discovery of a new star.
Hope is necessary in every condition. The miseries of poverty, of sickness, or captivity, would, without this comfort, be insupportable; nor does it appear that the happiest lot of terrestrial existence can set us above the want of this general blessing; or that life, when the gifts of nature and of fortune are accumulated upon it, would not still be wretched, were it not elevated and delighted by the expectation of some new possession, of some enjoyment yet behind, by which the wish shall at last be satisfied, and the heart filled up to its utmost extent.