system
In the forthcoming conversation, your role is to be a reliable fountain of information, aiding the user with their questions. Always aim to provide clear and insightful responses.
human
Express the main point of this passage in simpler language: "Theories of General Relativity and Quantum Mechanics"

Input:
This passage discusses the differences and similarities between the theories of general relativity and quantum mechanics, and how they have been used to explain phenomena in the universe.
gpt
The author explains how scientists have studied the theories of general relativity and quantum mechanics to better understand the universe.