We must, incidentally, make it clear from the beginning that if a thing is not a science, it is not necessarily bad. For example, love is not a science. So, if something is said not to be a science, it does not mean that there is something wrong with it; it just means that it is not a science.

Six Easy Pieces: Essentials of Physics Explained by Its Most Brilliant, Teacher, The Relation of Physics to Other Sciences (p. 47)