Each Lesson-Sermon published in the Christian Science Quarterly—Bible Lessons is designed to be complete in itself. Its Bible references (King James Version) are corroborated and explained by passages from the Christian Science textbook, Science and Health with Key to the Scriptures by Mary Baker Eddy. These Bible Notes are offered by The Christian Science Journal as indications of the possibilities for individual research.
The word of the Lord Is tried: he is a buckler to all those that trust in him (Ps. 18:30)
"Buckler" is seventeenth-century English for the Hebrew magan, or "shield," and refers to a light, round shield used by mobile troops. The New English Bible (NEB) translates the first clause, "The Lords word has stood the test"