並前往https://books.google.com.tw/books?id=fElBDgAAQBAJ&pg=PT120&lpg=PT120&dq=thales&source=bl&ots=uua-eJ_BSk&sig=ACfU3U07myHw8aJKw7J_zt8bVbghE8lTkw&hl=zh-TW&sa=X&ved=2ahUKEwj379ianaD0AhWRMewKHbbFAEcQ6AF6BQjdAhAD