There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.
One of the strongest motives that lead men to art and science, is escape from everyday life with its painful crudity and hopeless dreariness, such men make this cosmos and its construction in the pivot of their emotional life, in ordered to find the peace and the security, which they cannot find in the narrow whirlpool of personal experience.