Many able Gardeners and Husbandmen are yet Ignorant of the Reason of their Calling; as most Artificers are of the Reason of their own Rules that govern their excellent Workmanship. But a Naturalist and Mechanick of this sort is Master of the Reason of both, and might be of the Practice too, if his Industry kept pace with his Speculation; which were every commendable; and without which he cannot be said to be a complete Naturalist or Mechanick.
William PennMan, being made reasonable, and so a thinking creature, there is nothing more worthy of his being than the right direction and employment of his thoughts; since upon this depends both his usefulness to the public, and his own present and future benefit in all respects.
William Penn