Danh ngôn của Lawrence Kohlberg (Sứ mệnh: 6)

Right action tends to be defined in terms of general individual rights and standards that have been critically examined and agreed upon by the whole society.
Essentially, social education is moral education, and moral education is preparation for citizenship... When Jefferson and others advocated public education, it was to prepare for citizenship in a new, constitutional, democratic society.
In our society, authority derives from justice, and in our society, learning to live with authority should derive from and aid learning to understand and to feel justice.
Piaget is correct in assuming a culturally universal age development of a sense of justice, involving progressive concern for the needs and feelings of others and elaborated conceptions of reciprocity and equality.
Intelligence may be taken as a necessary, but not sufficient, cause of moral advance. All morally advanced children are bright, but not all bright children are morally advanced.
The main experiential determinants of moral development seem to be amount and variety of social experience, the opportunity to take a number of roles and to encounter other perspectives.