Even brave men, and D'Arnot was a brave man, are sometimes frightened by solitude. - Edgar Rice Burroughs

Past experience suggested that the great wings were a part of some ingenious mechanical device, for the limitations of the human mind, which is always loath to accept aught beyond its own little experience, would not permit him to entertain the idea that the creatures might be naturally winged and at the same time of human origin.

For myself, I always assume that a lion is ferocious, and so I am never caught off my guard.

A personification, was Tarzan of the Apes, of the primitive man, the hunter, the warrior.
With the noble poise of his handsome head upon those broad shoulders, and the fire of life and intelligence in those fine, clear eyes, he might readily have typified some demigod of a wild and warlike bygone people of his ancient forest.
But of these things Tarzan did not think. He was worried because he had not clothing to indicate to all the jungle folks that he was a man and not an ape, and grave doubt often entered his mind as to whether he might not yet become an ape.