Feng Shui is an ancient science in China, which cannot be explained by modern western science. We can't completely deny spiritual things just because we have been educated by materialism. People are too young, life is short, and there are too many things that they don't understand. Feng Shui is a part of the Book of Changes, which is difficult to understand. You can't learn without firm study perseverance.
Why do you want to persuade? Are you jealous that others know a subject better than you?