Book Marks reported that the book received "positive" reviews based on 7 critic reviews with 2 being "rave" and 5 being "positive". Writing for The Guardian, Ian Thomson praised the "lucid" writing, translation, and compared it to Seven Brief Lessons on Physics, describing it as a "a deeper, more abstruse meditation" but "jargon-free". Cosmologist Anthony Aguirre, in a generally positive review, noted that some portions of the book "occupy a frustrating ground between too technical and not technical enough". Literary Review noted Rovelli's skill for presenting complex and even unexplainable concepts in an accessible form, "the brevity and elegance of which belie its depth."