心不在焉，视而不见，听而不闻，食而不知其味。
Influenced by these sentiments, he would be absent-minded, look but see not, listen but hear not, eat but taste not.
所谓修身在正其心者，身有所忿懥，则不得其正；有所恐惧，则不得其正；有所好乐，则不得其正；有所忧患，则不得其正。
“A man's self-cultivation depends on setting his heart right” in “Jing” means a man's heart cannot be set right if he resents, fears, or has favorites and worries.
此谓修身在正其心。
This is why cultivating the self lies in ordering one's mind.