A Universal Good should reflect the reality of the individual benefits that are collected under its name, not the other way around.

Copernicanism and other essential ingredients of modern science survived only because reason was frequently overruled in their past.

One knows quite well that harmony can be a harmony of appearances.

Early Chinese thinkers had taken variety at face value. They had favored diversification and collected anomalies instead of trying to explain them away.

The attitude of the Church was not as dogmatic as is often assumed. Interpretations of Bible passages had been revised in the light of scientific research before. Everyone regarded the earth as spherical and as freely floating in space though the Bible tells a different story.

Love of Truth is one of the strongest motives for replacing what really happens by a streamlined account or, to express it in a less polite manner – love of truth is one of the strongest motives for deceiving oneself and others.

In a democracy scientific institutions, research programmes, and suggestions must therefore be subjected to public control, there must be a separation of state and science just as there is a separation between state and religious institutions, and science should be taught as one view among many and not as the one and only road to truth and reality.

In a war a totalitarian state has a free hand.

Taking experimental results and observations for granted and putting the burden of proof on the theory means taking the observational ideology for granted without having ever examined it.

Those who violate the rules of a language do not enter new territory; they leave the domain of meaningful discourse. Even facts in these circumstances dissolve, because they are shaped by the language and subjected to its limitations.