The universe may have a purpose, but nothing we know suggests that, if so, this purpose has any similarity to ours. – Bertrand Russell
Dogmatism and skepticism are both, in a sense, absolute philosophies one is certain of knowing, the other of not knowing. What philosophy should dissipate is certainty, whether of knowledge or ignorance. – Bertrand Russell
To teach how to live without certainty and yet without being paralysed by hesitation is perhaps the chief thing that philosophy, in our age, can do for those who study it. – Bertrand Russell
If any philosopher had been asked for a definition of infinity, he might have produced some unintelligible rigmarole, but he would certainly not have been able to give a definition that had any meaning at all. – Bertrand Russell