法苑珠林 68.52

68.52

問曰。何名疑心者。答曰。若心有疑。為是我物。為是他物。而彼物他物並須識之。

Question: What is meant by 'doubtful mind'? Answer: If there is doubt in the mind as to whether it is one's own property or another's property, and one must recognize both that property and another's property.