Quote by Russell, Bertrand
"Mathematics is not only real, but it is the only reality; that sensible material things are merely the interpretation, the conversion of mathematical entities into sensible form."
More from Russell, Bertrand
"Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric."
"The only thing that will redeem mankind is cooperation."
"What is wanted is not the will to believe, but the wish to find out, which is the exact opposite of the will to believe."
"Fear is the main source of superstition, and one of the main sources of cruelty."