How are you so good at it?” He replied: “It is important to view knowledge as sort of a semantic tree—make sure you understand the fundamental principles, i.e. the trunk and big branches, before you get into the leaves/details or there is nothing for them to hang on to.” In other words, when we have the solid fundamentals of knowledge, we have somewhere to hang the additional information we learn. We can anchor it in the mental models we already understand.
