“Man cannot become attached to higher aims and submit to a rule if he sees nothing above him to which he belongs. To free him from all social pressure is to abandon him to himself and demoralize him.”

“Melancholy suicide. —This is connected with a general state of extreme depression and exaggerated sadness, causing the patient no longer to realize sanely the bonds which connect him with people and things about him. Pleasures no longer attract;”

“Maniacal suicide. —This is due to hallucinations or delirious conceptions. The patient kills himself to escape from an imaginary danger or disgrace, or to obey a mysterious order from on high, etc.”

“Socialism is not a science, a sociology in miniature: it is a cry of pain.”

“It is said that we do not make the guilty party suffer for the sake of suffering; it is nonetheless true that we find it right that he should suffer.”

“...Solidarity is, literally something which the society possesses.”

“He who writes this book in which hate is not hidden was formerly a pacifist...For him no disillusionment was ever greater or more sudden. It struck him with such violence that he thought himself no longer the same man. And yet, as it seems to him that in this state of hatred his conscience becomes diminished, he dedicates these pages, with emotion, to the man he used to be.”