89
Custom is our nature. He who is accustomed to the faith believes in it, can no longer fear hell, and believes in nothing else. He who is accustomed to believe that the king is terrible ... etc. Who doubts then that our soul, being accustomed to see number, space, motion, believes that and nothing else?
90
Quod crebro videt non miratur, etiamsi cur fiat nescit; quod ante non viderit, id si evenerit, ostentum esse censet.[56] (Cic. 583.)