Sers Entonijs Kenijs pārmet seram Bertrānam Raselam, ka tas nesaprot, ar ko filozofi vispār nodarbojas, jo pārmet seram Akvīnas Tomam, ka tas uzbūvējis veselu sistēmu, lai pierādītu to, kam pats "tic", nevis godprātīgi, kā pienāktos, pētījis lietas:
"It is extraordinary that that accusation should be made by Russell, who in the book Principia Mathematica takes hundreds of pages to prove that two and two make four, which is something he had believed all his life."