The universal jargon, in the sense explained above, is the same for the child and for the adult. It is the same for a Robinson Crusoe as for a human … - Otto Neurath

‘History’ and ‘Political Economy’ have not been differentiated on the basis of systematic reflection; rather, they have been quite different in origin and conceptual structure. Only on further development of both disciplines are they set closer together and merged into a single science, namely ‘Sociology’, which for about a hundred years past has been assimilating other fields of science.

When devotion to men with an urge for new social organization replaces devotion to men with theological illumination and a way of life pleasing to God, then the actions of the innovator and his formulations are often gauged by their significance for human happiness. Behaviour is examined through the happiness it produces, which is an empirical matter; transcendence is overcome.

All content of science, and also their protocol statements that are used for verification, are selected on the basis of decisions and can be altered in principle.