Author of quotes: Georgy Valentinovich Plekhanov

Every legal institution sooner or later turns into its own opposite: now it helps to meet the known needs of the public, now it is useful, it is necessary precisely in view of these needs. Then it starts to get worse and worse to meet those needs; finally, it turns into a obstacle for their satisfaction: necessary it becomes harmful, and then it is destroyed.

All phenomena are made by triad. Every phenomenon, evolving to the end, turns into its opposite; but as new, opposite the first, the phenomenon also in turn turns into its opposite, the third phase of development has a formal resemblance to the first.

Quantity changes lead to quality changes.

Each phenomenon effect those material forces which determine its existence, sooner or later, but inevitably turns into its own opposite.

What is the logical end of "free competition"? Every entrepreneur strives to beat their rivals, to be the sole owner of the market. Free competition leads to monopoly, i.e. to the negation of competition.

Any abstract right, reaching its logical conclusion, turns into injustice, i.e. to its own opposite.

Not given to man to know everything, he does not know its origin.

Idealism seeks to explain all the phenomena of nature, all the properties of matter by certain characteristics of the spirit. Materialism goes exactly the opposite. He tries to explain psychic phenomena by those or other properties of matter, the organization or another human or even animal body.

Between science and life are very closely, inseparably, for none of them not in the least humiliating relationship: the more science serves the life, the more life enriches science.

The progress of human carries the death penalty and the religious idea and religious feeling.

Not man for morality, but morality for humans.

Art wins, turning away from vulgarity. But when it turns away from the great historical movements, it is itself imbued with elements of vulgarity.

No great step in history has been made without the aid of passion, which, desatura moral strength, and sharpen mental faculties figures, she is a great progressive force.

Anarchism also has its own logic. All theses Lenin quite agree with this logic. The question is, would the Russian proletariat to assimilate this logic.