諸經要集 12.35

12.35

既無法利。又失世樂。覺其過已當急棄之。所言悔者。若掉無悔則不成蓋。何以故。掉時猶在緣中故。後欲入定時。方悔前所作。憂惱覆心。故名為蓋。此有二種。一者因掉後生悔。如前所說也。二者作大重罪人。常懷怖畏。毒箭入心。堅不可拔。如智度論偈云。

Having no benefit of the Dharma, one also loses worldly joy; having recognized its fault, one must urgently abandon it. As for what is called 'regret': if there were restlessness without regret, it would not constitute a hindrance. Why? Because during restlessness, one is still engaged with sensory objects; later, when wishing to enter absorption (dhyāna), one only then regrets what was done before, and grief and vexation cover the mind; therefore it is called a hindrance. This has two kinds: First is giving rise to regret because of prior restlessness, as explained above. Second is a person who has committed great and heavy sins, constantly harboring dread; the poisoned arrow has penetrated the heart, firmly stuck and unable to be pulled out. As a verse of the Dazhidu lun says: