We need teachers not only to impart information but to inculcate a love of learning.
in (in)#calcare (tread, press in) (Latin)
Relate it to In-Cultivate. Just like the farmers cultivate the farms in their fields Teachers cultivate (or INCULCATE)knowledge into the students brains. IN + CULCATE (calculate). IN school, teachers inculcate (teach) the students how to calculate.