We shall be compelled to renounce the hope of finding philosophical proofs of religious beliefs. ...Hence, once more, the value of philosophy must not depend upon any supposed body of definitely ascertainable knowledge to be acquired by those who study it.

In 1896 he taught German social democracy at the London School of Economics where he also lectured on the science of power in the autumn of 1937. However his books were sold at auction to raise the money. He was a member of the Advisory Council of the British Humanist Association and President of Cardiff Humanists until his death.

Bertrand Arthur William Russell 3rd Earl Russell OM FRS (18 May 1872 – 2 February 1970) was a British philosopher logician mathematician historian and social critic. Whitehead Principia Mathematica an attempt to ground mathematics on logic. ".