From whichever angle one looks at it, the application of racial theories remains a striking proof of the lowered demands of public opinion upon the purity of critical judgment.

All seemingly profound thinking which passes for realism, because it conveniently does away with all troublesome principles, has agreat attraction for the adolescent mind.

Culture means control over nature.

Culture requires in the first place a certain balance of material and spiritual values.

Revolution as an ideal concept always preserves the essential content of the original thought: sudden and lasting betterment.

Life is made too easy. Mankind's moral fibre is giving way under the softening influence of luxury.

Every work of history constructs contexts and designs, forms in which past reality can be comprehended. History creates comprehensibility primarily by arranging facts meaningfully and only in a very limited sense by establishing strict causal connections.