नच नश्यदवस्थायां स्वाकार्यं तस्य युज्यते ।
कृत्वा कार्यं विनश्येच्चेत् क्षणान्तरमवस्थितिः ॥५१॥
naca naśyadavasthāyāṃ svākāryaṃ tasya yujyate |
kṛtvā kāryaṃ vinaśyeccet kṣaṇāntaramavasthitiḥ
And in its (very) perishing state its own effect cannot (be produced); and if it should perish (only) after producing the effect, (then there is) persistence into another moment (— again the ruin of momentariness).