preoccupation: I have throughout been anxious to discover how much one can be said to know and with what degree of certainty or doubtfulness.”1
For this purpose, Russell made a special study of four branches
faces a two-sided difficulty. On the one hand, if we concede that the ultimate truth is beyond us, by what compass are our lives to be guided? On the other hand, when we strenuously try to penetrate life’s
mysteries, success seems awesomely remote.
“Philosophy from ancient times has made long claims, but what it