In my review, I survey the main content of L. Tengeli's book World and Infinity, reconstruct its structure and discuss the author’s research results in the field of phenomenology of the world, presented in it. In particular, I note here that Tengelyi conducts a detailed criticism of onto-theology, starting from the problem of the katholo-protological structure of metaphysics in Aristotle. He outlines Husserl’s doctrine of primordial facts and Heidegger’s idea of metontology. In addition, here I give a relatively detailed description (...) of Tengeliy’s understanding of a thing and the world, as well as his interpretation of infinity as a basic characteristic of the world. (shrink)