intact

a. [ L. intactus; pref. in- not + tactus, p. p. of tangere to touch: cf. F. intact. See In- not, and Tact, Tangent. ] Untouched, especially by anything that harms, defiles, or the like; uninjured; undefiled; left complete or entire. Buckle. [ 1913 Webster ]

When all external differences have passed away, one element remains intact, unchanged, -- the everlasting basis of our common nature, the human soul. F. W. Robertson.