In the 1955 edition, "anything" was written "any thing". This was changed to the single compound word in the 1967 and subsequent Urantia Foundation printings.

Original Paragraph:

^{P400:1, 36:3.6} The Life Carriers of a planetary corps are given a certain period in which to establish life on a new world, approximately one-half million years of the time of that planet. At the termination of this period, indicated by certain developmental attainments of the planetary life, they cease implantation efforts, and they may not subsequently add any thing new or supplemental to the life of that planet.