It is necessary to be able to withstand all this, to agree to any and every sacrifice, and even - if need be - to resort to all sorts of stratagems, manoeuvres and illegal methods, to evasion and subterfuges in order to penetrate the trade unions, to remain in them, and to carry on Communist work in them at all costs.
Vladimir LeninRevolution can never be forecast; it cannot be foretold; it comes of itself. Revolution is brewing and is bound to flare up.
Vladimir LeninThe reflection of nature in man's thought must be understood not lifelessly but in the eternal process of movement, the arising of contradictions and their solution.
Vladimir Lenin