The Roman Stoic philosopher Cicero (106 – 43 BC) wrote that Zeno was known to have held the view, central to Stoic physics, that nature is primarily "directed and concentrated...to secure for the world...the structure best fitted for survival."
Filsuf Stoik Romawi Cicero (106 – 43 SM) menulis bahwa Zeno diketahui memegang pandangan terseut, terutama kepada fisika Stoik, bahwa alam utamanya "diarahkan dan dikonsentrasikan...untuk diamankan bagi dunia...struktur terbaik yang layak untuk pertahanan hidup."