Beyond the Pleasure Principle / Freud - Excerpt I

From "Beyond the Pleasure Principle" / Freud
(page 3717 - Freud - Complete Works).

We know that the pleasure principle is proper to a primary method of working on the part of the mental apparatus, but that, from the point of view of the self-preservation of the organism among the difficulties of the external world, it is from the very outset inefficient and even highly dangerous.
Under the influence of the ego's instincts of self-preservation, the pleasure principle is replaced by the reality principle.
This latter principle does not abandon the intention of ultimately obtaining pleasure, but it nevertheless demands and carries into effect the postponement of satisfaction, the abandonment of a number of possibilities of gaining satisfaction and the temporary toleration of unpleasure as a step on the long indirect road to pleasure.
The pleasure principle long persists, however, as the method of working employed by the sexual instincts, which are so hard to educate and, starting from those instincts, or in the ego itself, it often succeeds in overcoming the reality principle, to the detriment of the organism as a whole.

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How much more must I sacrifice for this shitty job, goddammit?!