With himself he was much less kind: although I cannot claim to have known him all that well I always had the feeling that he drove himself quite relentlessly, and that he could never forgive himself for not having been able to prove some of the later and quite spectacular results in the subject.
Sa kanyang sarili siya ay lubhang mas mababa uri: bagaman hindi ko claim na may kilala sa kanya lahat na maayos ako lagi ang nasa damdamin na siya kawan kanyang sarili ganap relentlessly, at na siya ay hindi patawarin ang sarili para sa hindi pagkakaroon been able sa patunayan ang ilan sa mga mamaya at muntik na panoorin ng mga resulta sa paksa.