I conclude that, while it is true that science cannot decide questions of value, that is because they cannot be intellectually decided at all, and lie outside the realm of truth and falsehood. Whatever knowledge is attainable, must be attained by scientific methods; and what science cannot discover, mankind cannot know.
Bertrand RussellIt is undesirable to believe a proposition when there is no ground whatever for supposing it true
Bertrand RussellMan needs, for his happiness, not only the enjoyment of this or that, but hope and enterprise and change.
Bertrand RussellThe great majority of men and women, in ordinary times, pass through life without ever contemplating or criticising, as a whole, either their own conditions or those of the world at large.
Bertrand Russell