Silence of the higher type is the capacity to withhold speech, display, and explanation when the age demands constant noise as proof of existence. The horizontal world treats expression as being. What is not posted, argued, or confessed is treated as unreal. The differentiated man knows the opposite law. Much of what is real in him must remain unspent.
Young men who first try this silence often turn it into a pose. Pose is only another form of display. True silence is economy. It keeps force from leaking into commentary. It also protects the inner measure from the bargaining that begins the moment a man explains himself to a field that cannot understand him.
This solitary silence is the residual form of the older traditional knowledge of reserve. The higher castes were not the loudest. They were the most contained. The man who keeps that containment already performs the residual act. He remains harder to recruit and harder to dissolve.
Practice silence as form. Do not confuse it with emptiness and do not use it as a mask for fear. The residual act is to speak when speech is a duty and to withhold when speech would only feed the horizontal field. That withholding is a rank the age cannot confer.