A thousand horse and none to ride!; With flowing tail, and flying mane; Wide nostrils never stretched by pain; Mouths bloodless to the bit or rein; And feet that iron never shod; And flanks unscarred by spur or rod; A thousand horse, the wild, the free; Like waves that follow o'er the sea; Came thickly thundering on,.;
__Lord Byron, XVII, Mazeppa, 1818
Impartial observers from other planets would consider ours an utterly bizarre enclave if it were populated by birds, defined as flying animals, that nevertheless rarely or never actually flew. They would also be perplexed if they encountered in our seas, lakes, rivers, and ponds, creatures defined as swimmers that never did any swimming. But they would be even more surprised to encounter a species defined as a thinking animal if, in fact, the creature very rarely indulged in actual thinking.