Play word 物心がつく 物心がつく ものごころがつく to become old enough to understand what's going on around oneself (of a child, etc.)
Play word 妄心 妄心 もうしん deluded mind (a mind polluted with klesha, incapable of understanding the original essence of things)
Play word 唯心 唯心 ゆいしん doctrine that all phenomena are produced from consciousness (a central teaching of the Avatamska sutra)