Scholars H. N. Fowler, R. Waterfield, J. McDowell, D. Davidson and J. M. Cooper translate both ?????????? (epilelesthai) and ???? (lethe) into “forgetting”. Yet it is problematic, as they designate two different meanings of forgetting Only J. C. B. Gosling, in his translation of Philebus, translates ????into “oblivion” and ?????????? into forgetting respectively. However, he does not explain why the difference matters. This paper aims at explaining the ambiguous meaning of forgetting in Meno, Phaedo, Theaetetus and Philebus. The one hand, ?????????? (epilelesthai) means the loss of memory in our ordinary life. On the other hand, ???? (lethe) means the loss of memory before-life or before we are born. I conclude by drawing attention to Paul ...