So far I have been speaking of theoretical science, which is an attempt to understand the world. Practical science, which is an attempt to change the world, has been important from the first, and has continually increased in importance, until it has almost ousted theoretical science from men's thoughts.
Bertrand RussellThe problem with the wise is they are so filled with doubts while the dull are so certain.
Bertrand RussellThe taboo against nakedness is an obstacle to a decent attitude on the subject of sex.
Bertrand RussellI suppose the advocates of unreason think that there is a better chance of profitably deceiving the populace if they keep it in a state of effervescence.
Bertrand Russell