That which is brought home to him is the illusoriness and hollowness of things when taken in the spirit of active endeavor.
"The Approach to Philosophy"
Ralph Barton Perry
Our task is to assert, first, then, the "otherness" of man, his difference from Nature, to point out the illusoriness of her phenomena for him, the derived reality and secondary value of her facts.
"Preaching and Paganism"
Albert Parker Fitch