Two things fill the mind with ever new and increasing admiration and awe, the more often and more enduringly reflection is occupied with them: the starry heavens above me and the moral law within me.

• （对无知识的人，您们应当尽你们的所能的多多的教给他们；社会的罪在于不办义务教育；它负有制造黑暗的责任。当一个人的内心充满黑暗的时候，他就会去犯罪；有罪的不是犯罪的人，而是制造黑暗的人。