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: Morihei Ueshiba was a martial artist and founder of the Japanese martial art of aikido. He is often referred to as "the founder" Kaiso or Ōsensei, "Great Teacher".