Good frend for Iesvs sake forebeare,
To digg the dvst encloased heare.
Bleste be Middle English the.svg man Middle English that.svg spares thes stones,
And cvrst be he Middle English that.svg moves my bones.

In modern spelling:

Good friend for Jesus sake forbear,
To dig the dust enclosed here.
Blessed be the man that spares these stones,
And cursed be he that moves my bones.