Some care is needed in using Descartes' argument. "I think, therefore I am" says rather more than is strictly certain. It might seem as though we are quite sure of being the same person to-day as we were yesterday, and this is no doubt true in some sense. But the real Self is as hard to arrive at as the real table, and does not seem to have that absolute, convincing certainty that belongs to particular experiences.
Bertrand RussellA sense of duty is useful in work but offensive in personal relations. People wish to be liked, not to be endured with patient resignation.
Bertrand RussellIt is a waste of energy to be angry with a man who behaves badly, just as it is to be angry with a car that won't go.
Bertrand RussellDr. Arnold . . . the admired reformer of public schools, came across some cranks who thought it a mistake to flog boys. Anyone reading his outburst of furious indignation against this opinion will be forced to the conclusion that he enjoyed inflicting floggings.
Bertrand Russell