If, by so reviewing, he knows thus: "the four foundations of mindfulness are not developed in me" then he should make an effort to develop the four foundations of mindfulness.

如果经过这样反观检视，他了知尚未开发四念处，那么他应该精勤修习以开发四念处。

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Again, Sariputta, a bhikkhu should consider thus: "Are the four foundations of mindfulness developed in me?"

再者，舍利弗，一个比丘应该如是思省：我是否巳经开发了四念处？

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