What he was saying was, actually the full quotation is, "If you press me to say what is the method of science, I would have to say: anything goes."
چيزی كه او می گفت، و سخن كاملش اين بود: "اگر منو مجبور كنی تا بگم روش علم چيست، خواهم گفت: هرچيزی تغيير ميكنه".