All the inventions and devices ever constructed by the human hand or conceived by the human mind, no matter how delicate, how intricate and complicated, are simple, childish toys compared with that most marvelously wrought mechanism, the human body. Its parts are far more delicate, and their mutual adjustments infinitely more accurate, than are those of the most perfect chronometer ever made.


Plain Facts for Old and Young (ed. 1881)


All the inventions and devices ever constructed by the human hand or conceived by the human mind, no matter how delicate, how intricate and...

All the inventions and devices ever constructed by the human hand or conceived by the human mind, no matter how delicate, how intricate and...

All the inventions and devices ever constructed by the human hand or conceived by the human mind, no matter how delicate, how intricate and...

All the inventions and devices ever constructed by the human hand or conceived by the human mind, no matter how delicate, how intricate and...