in his instructions to the navigators in Sir Hugh Willoughby's fleet, Sebastian Cabot in those for the direction of the intended voyage to Cathay, and Richard Hakluyt, who promoted many voyages of discovery in addition to writing their history, agree with Sir Humphrey Gilbert's chronicler that " the sowing of Christianity must be the chief intent of such as shall make any attempt at foreign discovery, or else whatever is builded upon other foundation shall never obtain happy success or continuance."