And as, while there is one royal highway, there are many others, some leading to a precipice, some to a rushing river or to a deep sea, no one will shrink from travelling by reason of the diversity, but will make use of the safe, and royal, and frequented way; so, though some say this, some that, concerning the truth, we must not abandon it; but must seek out the most accurate knowledge respecting it. Since also among garden-grown vegetables weeds also spring up, are the husbandmen, then, to desist from gardening?