“Only the person who is essentially capable of remaining silent is capable of speaking essentially.”
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Sören Kierkegaard 309
Danish philosopher and theologian, founder of Existentialism 1813–1855Related quotes

The Ether of Space https://books.google.com/books?id=ycgEAAAAYAAJ&pg=PA3, p. 3
The Ether of Space (1909)

trans. Michael Chase (1995), p. 91
La Philosophie comme manière de vivre (2001)
Context: Only he who is capable of a genuine encounter with the other is capable of an authentic encounter with himself, and the converse is equally true…From this perspective, every spiritual exercise is a dialogue, insofar as it is an exercise of authentic presence, to oneself and to others.

“That we are capable only of being what we are remains our unforgivable sin.”
Source: The Claw of the Conciliator

Source: Poverty (1912), p. 6-7

“Only he who attempts the absurd is capable of achieving the impossible.”

Quiconque est capable de mentir est indigne d'être compté au nombre des hommes; et quiconque ne sait pas se taire est indigne de gouverner.
Bk. 3, p. 14; translation pp. 34-5.
Les aventures de Télémaque (1699)

“In life, only those who are capable of upsetting everything, at any moment, advance powerfully.”
Original: Nella vita, solo chi è capace di sconvolgere tutto, in qualsiasi momento, avanza prepotentemente.
Source: prevale.net
“It must essentially remain a novel of adolescence written by a retarded adolescent.”
Introduction (1977 edition)
The Magus (1965)