Men should speak with rational mind and thereby hold strongly to that which is shared in common ---- as a city holds on to its law, and even more strongly.
 Heraclitus, On Nature (c. 535 – c. 475 BCE). copy citation

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Author Heraclitus
Source On Nature
Topic sharing law
Date c. 535 – c. 475 BCE
Language English
Reference
Note Translated by William Harris
Weblink http://community.middlebury.edu/~harris/Philosophy/heraclitus.pdf

Context

“The Sibyl with raving mouth utters solemn, unadorned, unlovely words, but she reaches out over a thousand years with her voice because of the god within her. (92) COUNSELS 80. Thinking is common to all. (113) 81. Men should speak with rational mind and thereby hold strongly to that which is shared in common ---- as a city holds on to its law, and even more strongly. For all human laws are nourished by the one divine law, which prevails as far as it wishes, suffices for all things, and yet is something more than they are (114) 82. The people should fight for their law as for their city wall.” source