1491  The healthy man does not torture others - generally it is the tortured who turn into torturers.

378  Nothing will ever be attempted if all possible objections must be first overcome.

966  You teach your daughters the diameters of the planets and wonder when you are done that they do not delight in your company.

809  Digressions, objections, delight in mockery, carefree mistrust are signs of health; everything unconditional belongs in pathology.

878  In the highest civilization, the book is still the highest delight. He who has once known its satisfactions is provided with a resource against calamity.