Recurrence is sure. What the mind suffered last week, or last year, it does not suffer now; but it will suffer again next week or next year. Happiness is not a matter of events; it depends upon the tides of the mind.
Bio: Gebhard Leberecht von Blücher, Fürst von Wahlstatt, Graf, later elevated to Fürst von Wahlstatt, was a Prussian Generalfeldmarschall (field marshal).