Aggression (n.) is a biologically rooted instinctive urge that promotes preservation of the self. If not expressed, aggressive energy accumulates and exerts increasing pressure on the organism for satisfaction.
Aggression (n.) is a primary drive (rather than the outcome of conflicting drives) that is not grounded in goal attainment. Rather its sole purpose is to release tension by means of a kind of breaking-up or a kind of destruction.
Aggression (n.) is accompanied by intense erotic pleasure... it breaks down the boundaries between self and other, giving a voice to the need to possess and control.
Aggression (n.) is an expression of a basic state or basic need within the individual, rather than a response to external demands.
Aggression (n.) is an innate tendency and it constitutes the powerful obstacle to culture.
Aggression (n.) is an instinct, in contrast to hate and love which are not.
Aggression (n.) is an intensification of love, but not a mere continuation or extension of it. Aggression, together with love, form a complex in which they simultaneously incite and ruin one another.
Aggression (n.) is an original, self-subsisting instinctual disposition in man constituting his greatest impediment to civilization.
Aggression (n.) is at the root of humanity and while it cannot be suppressed, what we may try is to direct it into a channel other than that of warfare.
Aggression (n.) is instinctive, the result of the unconscious impulses emitted by the id.
Aggression (n.) is primarily self-aggression, not directed outwards.
Aggression (n.) is the externalization of a primary, innate suicidal or death instinct.
Aggression (n.) is the inclination constituting the greatest impediment to civilization.
Aggression (n.) is the outward expression of the destructive instincts.
Aggression (n.) is the most powerful obstacle to culture.