“I know that!” This heart within me I can feel, and I judge that it exists. This world I can touch, and likewise judge that it exists. There ends all my knowledge and the rest is construction.

Of who and of what indeed can I say: “I know that!” This heart within me I can feel, and I judge that it exists. This world I can touch, and likewise judge that it exists. There ends all my knowledge and the rest is construction.