At the end of the course following the publication of Being and Time, in which Heidegger covers the discussion of time and temporality from Division II to end up on the otological difference, he recaps by stressing that what he has done is used phenomenology as a method to investigate ontology. That done, students should now go over it again and reflect on the material covered. Then he adds,

There is no such thing as the one phenomenology, and if there could be such a thing it would never become anything like a philosophical technique. For implicit in the essential nature of all genuine method as a path toward the disclosure of objects is the tendency to order itself toward that which itself discloses. When a method is genuine and provides access to the objects, it is precisely then that the progress made by following it and the growing origiality of the disclosure will cause the very method that was used to become necessarily obsolete. The only thing that is truly new in science and in philosophy is the genuine questioning and struggle with things which is at the service of this questioning.

P. 328

I was reminded of the above when I read Lee Smolin's paper calling for less calculation and more thinking in physics (Hat tip MM).  ¶ 8:26 AM