If you would not be forgotten, as soon as you are dead and rotten, either write things worth reading, or do things worth the writing.

Generally great person don't think about it, that after dead his written should be worth full or do work which be written. Gautam the Buddha always said one thing after my death, don't make posture or idol of mine or don't make any religious book upon my sermons. That's why great person did only says everything, and all is written by others, not by own.