Competition is the law of the jungle, but cooperation is the law of civilization

Lenin is not comparable to any revolutionary figure in history. Revolutionaries have had ideals. Lenin has none.

...do not the bewitching power of all studies lie in that they continually open up to us new, unsuspected horizons, not yet understood, which entice us to proceed further and further in the penetration of what appears at first sight only in vague outline?

Competition is the law of the jungle, but cooperation is the law of civilization

It is only those who do nothing who makes no mistake.

No evolution is accomplished in nature without revolution. Periods of very slow changes are succeeded by periods of violent changes. Revolutions are as necessary for evolution as the slow changes which prepare them and succeed them.

In order that the revolution should be something more than a word, in order that the reaction should not lead us back tomorrow to the situation of yesterday, the conquest of today must be worth the trouble of defending; the poor of yesterday must be worth the trouble of defending; the poor of yesterday must not be poor tomorrow.