Tsai then became a soulmate to other ancient sages when he published in rapid succession Laozi Speaks, Words to Live By: Confucius Speaks, Austere Lessons of the Legalist School: Han Fei Zi Speaks, and Philosophy of Riding the Wind: Sayings of Leizi. He published 24 volumes in all. Through easy-to-understand explanations and rounded graphic lines, he shares his understanding of Chinese philosophy with his readers.
蔡志忠和兩千多年前的古聖先賢結成隔代知己，陸續推出《老子說》、《仁者的叮嚀──孔子說》、《法家的峻言──韓非子說》、《御風而行的哲思──列子說》等經典漫畫，共二十四本，藉由淺顯易懂的解釋、溫潤的線條，讓讀者分享他所理解的中國哲學。