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: Kurt Gebhard Adolf Philipp Freiherr von Hammerstein-Equord was a German general who served for a period as Commander-in-Chief of the Reichswehr. He is famous for being an ardent opponent of Hitler and the Nazi regime.