君主是臣子的纲常,父亲是儿子的纲常,丈夫是妻子的纲常。
释义:野花虽然没有人专门去种,但每年都会自然生长;而烦恼虽然没有实质的根源,但却每天都在滋生。
The uniformity of the hybrids in the first generation, the dissimilarity in the second, are facts which cannot escape the attention of an accurate observer.