金剛經纂要刊定記 5.141

5.141

累苦故者。本疑累苦難忍，却由累苦能忍，斯則翻前三意中後二意也。

"Because of accumulated suffering": Originally one doubted that accumulated suffering would be hard to endure; yet it is precisely through accumulated suffering that one can endure. This, then, overturns the latter two of the preceding three intentions.