 He also considered "unegoistic actions" and "unegoistic drives" to be examples of Wooden Iron (see Notebooks Summer-Fall 1884 26[224]).He similarly dismissed philosophical concepts of "pure knowledge" and "thing in itself" (see Notebooks Summer-Fall 1884 26[413]).The term was also employed in his poetic attempts to criticize socialism and the building of a "free society" (see Book 5 of The Gay Science, §356).