Without specific context or evidence, it would be inappropriate for me to make a statement about Brian Greene, a renowned physicist.
Brian Greene is a respected theoretical physicist known for his contributions to superstring theory and his efforts to popularize physics through his books, public lectures, and television appearances. It is important to approach any claims of someone knowingly lying about physics or any other subject with a critical mindset and seek well-substantiated evidence to support such accusations.
If you have specific concerns or claims about Brian Greene or any other physicist, it is advisable to research and gather information from credible sources, such as scientific publications, peer-reviewed articles, interviews, or reputable scientific organizations, to form a well-informed opinion.