"A dictum [Beckett] quotes from his favourite philosopher, the second-generation Cartesian Arnold Geulincx (1624-1669) suggests his overall stance toward the political: ubi nihil vales, ibi nihil velis, which may be glossed: Don’t invest hope or longing in an arena where you have no power."
January 1, 1970
https://en.wikiquote.org/wiki/J._M._Coetzee