“Philosophy is that activity by which the meaning of propositions is established or discovered; it is a question of what the propositions actually mean. The content, soul, and spirit of science naturally consist in what is ultimately meant by its… — Moritz Schlick Copy Share Image
Philosophy is a necessary activity because we, all of us, take a great number of things for granted, and many of these assumptions are of a philosophical character; we act on them in private life, in politics, in our work,… — Karl Popper Copy Share Image