Remembering vs knowing
Remembering is merely safeguarding something entrusted to the memory; knowing, however, means making everything your own; it means not depending upon the copy and not all the time glancing back at the master. “Thus said Zeno, thus said Cleanthes, indeed!”
Seneca, Epistulae Morales ad Lucilium, XXXIII. ON THE FUTILITY OF LEARNING MAXIMS