There is no justice in bureaucracy for the individual, for bureaucracy caters only to itself. One cannot practice the same bureaucracy as one is fighting against.

The creative union of the conscious with the unconscious is what one usually calls 'inspiration.'

Workers – men and women – of all countries, place yourselves under the banner of the Fourth International. It is the banner of your approaching victory!

The history of a revolution is for us first of all a history of the forcible entrance of the masses into the realm of rulership over their own destiny.

Life is not an easy matter... You cannot live through it without falling into frustration and cynicism unless you have before you a great idea which raises you above personal misery, above weakness, above all kinds of perfidy and baseness.

The historic ascent of humanity, taken as a whole, may be summarized as a succession of victories of consciousness over blind forces - in nature, in society, in man himself.

The Left Opposition declared that the new tempo of industrialization were above our forces, and that the liquidation of the kulaks as a class in the course of three years was a fantastic task, if one wishes to say so, we find ourselves this time "less radical" than the Stalinists.