"As leader and man Lenin possessed a selfless devotion to communist ideals and to the cause of the party and of the wo…"

"Human reason has discovered many amazing things in nature and will discover still more, and will thereby increase its…"

"Revolutionary Social-Democracy has always included the struggle for reforms as part of its activities. But it utilise…"

"A newspaper is not only a collective propagandist and a collective agitator, it is also a collective organiser."

"Human thought by its nature is capable of giving, and does give, absolute truth, which is compounded of a sum-total o…"

"The reflection of nature in man's thought must be understood not lifelessly but in the eternal process of movement, t…"

"It is particularly necessary to arouse in all who participate in practical work, or are preparing to take up that wor…"

"A basic condition for the necessary expansion of political agitation is the organisation of comprehensive political e…"

"This struggle must be organised, according to “all the rules of the art”, by people who are professionally engaged in…"

"The sole "property" of matter with whose recognition philosophical materialism is bound up is the property of being a…"