Science gives man knowledge which is power; religion gives man wisdom which is control. Science deals mainly with facts; religion deals mainly with values. The two are not rivals. They are complementary.

We desire to see the return of a liberal age where Parliaments will guard freedom, where science will open the banqueting halls to the millions, and where what Bismarck once called "practical Christianity" will mitigate suffering and misfortunes.

The grand aim of all science is to cover the greatest number of empirical facts by logical deduction from the smallest number of hypotheses or axioms.

The man of science is a poor philosopher.

It stands to the everlasting credit of science that by acting on the human mind it has overcome man's insecurity before himself and before nature.

The product of mental labor - science - always stands far below its value, because the labor-time necessary to reproduce it has no relation at all to the labor-time required for its original production.