Freedom in general may be defined as the absence of obstacles to the realization of desires.
Bertrand RussellPhysics is mathematical not because we know so much about the physical world, but because we know so little; it is only its mathematical properties that we can discover.
Bertrand RussellMoral indignation is one of the most harmful forces in the modern world, the more so as it can always be diverted to sinister uses by those who control propaganda.
Bertrand RussellI hold all knowledge that is concerned with things that actually exist - all that is commonly called Science - to be of very slight value compared to the knowledge which, like philosophy and mathematics, is concerned with ideal and eternal objects, and is freed from this miserable world which God has made.
Bertrand Russell