Inferences of Science and Common Sense differ from those of deductive logic and mathematics in a very important respect, namely, when the premises are true and the reasoning correct, the conclusion is only probable.
Bertrand RussellThe true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as poetry.
Bertrand RussellThe man who pursues happiness wisely will aim at the possession of a number of subsidiary interests in addition to those central ones upon which his life is built.
Bertrand RussellIf you wish to be happy yourself, you must resign yourself to seeing others also happy.
Bertrand RussellWhen the intensity of emotional conviction subsides, a man who is in the habit of reasoning will search for logical grounds in favour of the belief which he finds in himself.
Bertrand RussellWhen white men first effect contact with some unspoilt race of savages, they offer them all kinds of benefits, from the light of the gospel to pumpkin pie. These, however, much as we may regret it, most savages receive with indifference. What they really value among the gifts that we bring to them is intoxicating liquor which enables them, for the first time in their lives, to have the illusion for a few brief moments that it is better to be alive than dead.
Bertrand Russell