Thus all the occasional (even philosophical reflections which go from technical scientific work back to its true meaning always stop at idealized nature; they do not carry out the reflection radically, going back to the ultimate purpose which the new science, together with the geometry which is inseparable from it, growing out of prescientific life and its surrounding world, was from the beginning supposed to serve: a purpose which necessarily lay in this prescientific life and was related to its life world.