Page:Schlick - Gesammelte Aufsätze (1926 - 1936), 1938.djvu/160

 Dialogues, for instance, Socrates asks “What is Justice?”; he receives various answers to his question, and in turn he asks what was meant by these answers, why a particular word was used in this way or that way, and it usually turns out that his disciple or opponent is not at all clear about his own opinion. In short, Socrates' philosophy consists of what we may call “The Pursuit of Meaning.” He tried to clarify thought by analyzing the meaning of our expressions and the real sense of our propositions.

Here then we find a definitive contrast between this philosophic method, which has for its object the discovery of meaning, and the method of the sciences, which have for their object the discovery of truth. In fact, before I go any farther, let me state shortly and clearly that I believe Science should be defined as the “pursuit of truth” and Philosophy as the “pursuit of meaning.” Socrates has set the example of the true philosophic method for all times. But I shall have to explain this method from the modern point of view.

When we make a statement about anything we do this by pronouncing a sentence and the sentence stands for the proposition. This proposition is either true or false, but before we can know or decide whether it is true or false we must know what this proposition says. We must know the meaning of the proposition first. After we know its sense we may be able to find out whether it is true or not. These two things, of course, are inseparably connected. I cannot find out the truth without knowing the meaning, and if I know the meaning of the proposition I shall at least know the beginning of some path that will lead to the discovery of the truth or falsity of the proposition even if I am unable to find it at present. It is my opinion that the future of philosophy hinges on this distinction between the discovery of sense and the discovery of truth.

How do we decide what the sense of a proposition is, or what we mean by a sentence which is spoken, written, or printed? We try to present to ourselves the significance of the different words that we have learned to use, and then endeavor to find sense in the proposition. Sometimes we can do so and sometimes we cannot; the latter case happens, unfortunately, most frequently with propositions which are supposed to be “philosophical.” — But how can we be quite sure that we really know and understand what we mean when we make an assertion? What is the ultimate criterion of