道德失语症患者是那种对善恶不辨习以为常的人,他们习惯性地不以善为善,习惯性地不以恶为恶。因此,每当有具体的道德语境需要他们扬善抑恶的时候,他们总是习惯于不发声。在应该弘扬善的时候,他们哑口无言;在应该抑制恶的时候,他们也缄默不语。何以如此?这不是因为他们没有道德语言能力,而是因为他们缺乏必要的道德勇气。道德勇气是人类过道德生活的一个必要条件。道德勇气要求人类具有维护和践行道德的坚强 Aphasia patients are those who do not discriminate between good and evil, habitually not good and habitually not evil. Therefore, whenever there is a specific moral context that requires them to be good at evil, they are always accustomed to silence. When they should promote good, they are speechless; they are silent when evil should be suppressed. Why? This is not because they do not have the moral and language skills, but because they lack the necessary moral courage. Moral courage is a necessary condition for human beings to live a moral life. Moral courage demands that mankind be strong in maintaining and practicing morality