The Reality principle (n.) is the constraint of what is experienced as possible within the symbolically constructed social space.
Definition.com
Definition.com
The Reality principle (n.) educates us to leave the warm parental house for 'hostile life' — admitting one is no longer the centre of creation or the object of Providence's tender care.
Definition.com
The Reality principle (n.) still seeks pleasure, but pleasure made safe by taking reality into account — postponed and diminished.
Definition.com
The Reality principle (n.) is the mind agreeing to picture what is real, even when what is real is disagreeable.
Definition.com
The Reality principle (n.) does not depose pleasure but safeguards it, giving up a pleasure now to make sure of one later.
More Sigmund Freud
.com