And moreover, sir, how the Buddha teaches the conception of the embryo is unsurpassable. There are these four kinds of conception.

Firstly, someone is unaware when conceived in their mother’s womb, unaware as they remain there, and unaware as they emerge. This is the first kind of conception.

Furthermore, someone is aware when conceived in their mother’s womb, but unaware as they remain there, and unaware as they emerge. This is the second kind of conception.

Furthermore, someone is aware when conceived in their mother’s womb, aware as they remain there, but unaware as they emerge. This is the third kind of conception.

Furthermore, someone is aware when conceived in their mother’s womb, aware as they remain there, and aware as they emerge. This is the fourth kind of conception.

This is unsurpassable when it comes to the conception of the embryo.