It is frequently associated with vague feelings of dissatisfaction and guilt. (gamesetwatch.com)
With primary perception there is a pervasive and vague feeling of the influence of the world upon our being and becoming. (religion-online.org)
The higher animals have learned to interpret these sense - qualities, thus perceived, as symbols of the actualities in the external world — actualities which are themselves perceived only by vague feelings of their causal agency. (religion-online.org)