Knowledge of mathematics is of particular importance in our digital era. Talking about the past, present and future of mathematical thought and about the discoverers of the most important mathematical laws, the famous Austrian scientist and popularizer of science Rudolf Taschner initiates us not only into the secrets of numbers and numbers, but also more broadly into the secrets of knowledge. “From the great variety of stories about the supposedly immeasurable over the power of numbers, I gave preference to those that pursue the idea that numbers did not just happen to be at people’s fingertips. Numbers were invented in order to organize the world and make it visible. Numbers are our servants, not our masters. Numbers are not the foundation of existence, but convenient designations that make it easier to understand the world.”