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.

Darwin's book is very important and serves me as a basis in natural science for the class struggle in history. One has to put up with the crude English method of development, of course. Despite all deficiencies not only is the death-blow dealt here for the first time to 'teleology' in the natural sciences, but their rational meaning is empirically explained.

All science would be superfluous if the outward appearance and the essence of things directly coincided.

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.

Science is the century-old endeavour to bring together... perceptible phenomena... through systematic thought.

There is not enough funding for basic sciences in India. We have to invest in a big way, and I am pushing that idea.