We have a collection of 2 Science quotes from Karl Marx
"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." (ID 29906)
"Natural science will in time incorporate into itself the science of man, just as the science of man will incorporate into itself natural science: there will be one science." (ID 30083)