“It is a realm of something subjective
which is completely closed off within itself,
existing in its own way,
functioning in all experiencing, all thinking, all life,
thus everywhere inseparably involved;
yet it has never been held in view,
never been grasped and understood.”
Husserl, The Way Into Phenomenological Transcendental Philosophy By Inquiring Back From The Pregiven Life-World
Source of the Stream 