Although this may seem a paradox, all exact science is based on the idea of approximation. If a man tells you he knows a thing exactly, then you can be safe in inferring that you are speaking to an inexact man.
Bertrand RussellWhen we have told how things behave when they are electrified, and under what circumstances they are electrified, we have told all there is to know
Bertrand RussellFrege has the merit of ... finding a third assertion by recognising the world of logic which is neither mental nor physical.
Bertrand RussellIn human relations one should penetrate to the core of loneliness in each person and speak to that.
Bertrand Russell