唯心論

philosophy of idealism, the doctrine that external reality is a product of consciousness

only / alone / -ism (in Chinese, a prefix, often combined with a suffix such as 主義|主义[zhu3 yi4] or 論|论[lun4], e.g. 唯理論|唯理论[wei2 li3 lun4], rationalism)

yes

heart / mind / intention / center / core / CL:顆|颗[ke1],個|个[ge4]

abbr. for 論語|论语[Lun2 yu3], The Analects (of Confucius)

opinion / view / theory / doctrine / to discuss / to talk about / to regard / to consider / per / by the (kilometer, hour etc)