However, a cautious reasoner will probably rather explain such cases deductively from the doctrine of evolution than endeavour to support the doctrine of evolution by them.
He had strong, rugged powers, was a close reasoner and a forcible speaker.
Like Leonardo, but with much less than Leonardo's genius for scientific speculation and divination, Diirer was a confirmed reasoner and theorist on the laws of nature and natural appearances.
His vast learning was the result of a powerful memory and unwearied industry, and he lacked the creative imagination necessary to mould this material into new forms. He was a powerful debater, but his victories were those of a dialectician rather than a convincing reasoner, and in him depth of insight and conviction were ill replaced by the controversial violence characteristic of the age.