長阿含經 28.p70

28.p70

[Poṭṭhapāda] replied to the wanderers, “The ascetic Gautama taught, ‘“Self and the world are permanent … the Tathāgata neither dies nor doesn’t die” aren’t compatible with the meaning … so I don’t explain them.’ I don’t approve of his words, either. It’s just that the ascetic Gautama lives relying on a teaching, so he speaks using that teaching. The escape uses this teaching, so why would I contradict his wise statement? A subtle Dharma statement like the ascetic Gautama’s can’t be contradicted.”