“Man is above all else mind, consciousness -- that is, he is a product of history, not of nature.”

“There is only one reality - the reality knowable to reason. And if man does not choose to perceive it, there is nothing else for him to perceive; if it is not of this world that he is conscious, then he is not conscious at all”

“Building becomes architecture only when the mind of man consciously takes it and tries with all his resources to make it beautiful, to put concordance, sympathy with nature, and all that into it. Then you have architecture.”

“Invention is the most important product of man's creative brain. The ultimate purpose is the complete mastery of mind over the material world, the harnessing of human nature to human needs.”

“Purity and simplicity are the two wings with which man soars above the earth and all temporary nature.”

“Darwin did not know what a bitter satire he wrote on mankind ... when he showed that free competition, the struggle for existence, which the economists celebrate as the highest historical achievement, is the normal state of the animal kingdom. Only conscious organization of social production, in which production and distribution are carried on in a planned way, can lift mankind above the rest of the animal.”