Diversity in science leads to richer perspectives and better solutions.

晏子春秋

田野荒芜废弃，人民也将由此而惰怠；君主挥霍无度，则人民胡作妄为。

唯一真正的智慧是自知无知。

I think it is in the nature of poetry to be always hinting at something beyond what is actually said.