瑜伽論記 7.505

7.505

又於其中至分明現前者，此勸適了知亂不亂分明現前。下出所了亂不亂相，若正觀時相尋思隨煩惱起應知是亂，若於觀時心一境性隨六想修應知不亂。又汝於此亂不亂相至無相無分別寂靜而轉者，既了亂不亂相，即應安住一所緣境令心寂相續流住。又若汝心乃至發勤精進者，勸知過起微細難知，為求識過應懃精進。

From "Moreover, regarding that... up to ...clearly present before oneself": this encourages one to recognize precisely whether distraction and non-distraction are clearly present before oneself. Below, it reveals the characteristics of distraction and non-distraction to be understood: if, at the time of correct contemplation, marks, conceptual investigations, and secondary afflictions arise, one should know this is distraction; if, at the time of contemplation, the mind is single-pointed and cultivates in accordance with the six contemplations, one should know this is non-distraction. From "Moreover, regarding these characteristics of distraction and non-distraction you... up to ...proceed tranquil, without marks, and without conceptualization": having understood the characteristics of distraction and non-distraction, one should immediately settle upon a single focal object and cause the mind to remain in an unbroken stream of tranquility. From "Moreover, if your mind... up to ...arouse diligent vigor": this encourages one to understand that the arising of faults is subtle and difficult to detect, so to seek the identification of faults one must apply diligent vigor.