S.S. 7:4—Your neck is like a tower of ivory; / Your eyes, like the pools in Heshbon / By the gate of Bath-rabbim; / Your nose is like the tower of Lebanon, / Which faces Damascus.
Phil. 1:9-10—And this I pray, that your love may abound yet more and more in full knowledge and all discernment, so that you may approve by testing the things which differ and are more excellent, that you may be pure and without offense unto the day of Christ.
For further reading please refer to CWWL, 1964, vol. 3, “Basic Principles for the Church Meetings,” ch. 1, p. 5 and 李常受文集，一九七九，, vol. 2, “Basic Lessons on Service,” Lesson 4, p. 29.