Gerhard and Walther

Under the name of the neighbor is to be understood all mankind; however, these can be divided into two groups. Some are believers and godly. Some are unbelievers and godless.—Johann Gerhard, Schola Pietatis, I:294.

What holds her [the Church] together is unseen by the eyes of people.—C. F. W. Walther, God Grant It!, p. 300.