long afterwards my father would write , in a wrathful comment on a 'pretty ' or 'ladylike ' pictorial rendering of legolas : he was tall as a young tree , lithe , immensely strong , able swiftly to draw a great war-bow and shoot down a nazgul , endowed with the tremendous vitality of elvish bodies , so hard and resistant to hurt that he went only in light shoes over rock or through snow , the most tireless of all the fellowship .