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: Pieter Willem Botha, commonly known as "P. W." and Die Groot Krokodil, was the leader of South Africa from 1978 to 1989, serving as the last Prime Minister from 1978 to 1984 and the first executive State President from 1984 to 1989.