折疑論 2.134

2.134

罔不至夫。醇醇之孝（罔無也。醇醇厚也。人生天地間。無有不至於醇醇醲厚之孝也）。

There are none who do not attain this most genuine filial piety (wang means 'none'; chunchun means 'generous and thick'; among people living between Heaven and Earth, there are none who do not attain generous, thick, and genuine filial piety).