"The eternal silence of these infinite spaces frightens me."

"Man's condition is inconsistency, boredom, anxiety."

"Justice is subject to dispute; might is easily recognized and is not disputed. So we cannot give might to justice, because might has contradicted justice, and has declared that it is she herself who i…"

"The proper study of mankind is man."

"The greatness of man is great in that he knows himself to be miserable."