海德格尔试图揭示的是实际生活原本的“没落-反没落”的动荡不安和艰难,哈贝马斯试图达到的则是普遍共识意义上的真理,这使得后者不得不面对一些难题;哈贝马斯的认识论和主体哲学的立场和思路,难逃“反思”范围的方法,使得他不能彻底地把握前理论的生活世界;海德格尔的作为意蕴、境域的世界是哈贝马斯所谓的生活世界、三个世界、社会、系统、语言的源泉。 Heidegger tried to reveal the turmoil and difficulty of the original “decline-anti-decline” in real life. Habermas tried to reach the truth in the general consensus, which made the latter have to face some Habermas’s epistemology and subject philosophy’s position and thinking can not escape the “reflection” range of methods, so that he can not thoroughly grasp the pre-theoretical life world; Heidegger as a conception, the realm of the world is Habermas’s so-called life world is the source of three worlds, society, system and language.