75 the Heart ; and that the Royal Society, with its motto, ' Nullius addictus jurare in verba magistri,' was a foundation of a much later date. And consequently, I think, we may feel justified in saying that, so far as the purely scientific factor of a man's nature can be said to have any distinctive or personal cha- racter at all, independence, or robustness, or manliness, whichever word we may like to choose, as shown in superiority to mere authority and the weight of great names, was a distinctive character of Har- vey as a man of science. With Riolanus in full vigour, and Van der Linden growing towards maturity, as champions of antiquity, it required not a little manliness to assert, ' contra receptas vias per tot saecula anno- rum ab innumeris iisque clarissimis doc- tissimisque viris' (Riolanus was often thus spoken of), ' tritam atque illustratam ' (De dicatio, p. 5), the claims of simple Nature ' qua nihil antiquius majorisve auctoritatis ' (Epistola Secunda ad Riolanum, p. 123). This element of real manliness shows itself again, I think, in Harvey's power of ab- staining from suggesting a rationale of what
