midnight
Evocation everywhere in life was as true as assimilation . Nevertheless , he stared his companion full in the eyes with a touch of almost rude amazement . But no further questions prompted themselves ; or , rather , he declined to ask them . He recalled , somehow uneasily , that in ceremonial the points of the compass have significance , standing for forces and activities that sleep there until invoked , and a passing light fell upon that curious midnight request in the corridor upstairs . These two were on the track of undesirable experiments , he thought ... . They wished to include him too . `` You go at night sometimes into the Desert ? ''