He begins this speech, which was tape recorded in Cambridge shortly before he died -- he begins by explaining how science works through the testing of hypotheses that are framed to be vulnerable to disproof, and then he goes on.
Ia membacakan pidato yang direkam di Cambridge ini tak lama sebelum meninggal. Ia mulai dengan menjelaskan bagaimana sains bekerja melalui pengujian hipotesis yang dibentuk agar rentan terhadap bantahan, lalu ia melanjutkan.