Ideas that enter the mind under fire remain there securely and for ever.

The depth and strength of a human character are defined by its moral reserves. People reveal themselves completely only when they are thrown out of the customary conditions of their life, for only then do they have to fall back on their reserves.

The end may justify the means as long as there is something that justifies the end.

Everyone has a right to be stupid, but Comrade MacDonald abuses the privilege.

In the appendix to my History of the Russian Revolution I give a detailed and documented study of the ideas of the Bolshevik party on the October revolution. This study, I hope, will make it impossible in the future to ascribe to [Vladimir] Lenin the theory of Socialism in a single country.

In spite of the existence of the Soviet Union, however, the proletarian revolution during the past years has not recorded a victory in any other country.

Only in the Fall of 1924 did [Joseph] Stalin discover that it is especially Russia, as distinguished from other countries, which can by its own forces build up a socialist society.