Commentaries:
Jamieson, Fausset, and Brown
wound their weak conscience—literally, "smite their conscience, being (as yet) in a weak state." It aggravates the cruelty of the act that it is committed on the weak, just as if one were to strike an invalid.
against Christ—on account of the sympathy between Christ and His members (Matthew 25:40; Acts 9:4-5).
Other Jamieson, Fausset, and Brown entries containing 1 Corinthians 8:12:
Romans 14:2
1 Corinthians 8:1
1 Corinthians 9:5
1 Corinthians 10:28
Revelation 2:14
DISCLAIMER: Church of the Great God (CGG) provides these resources to aid the individual in studying the Bible. However, it is up to the individual to "prove all things, and hold fast to that which is good" (I Thessalonians 5:21). The content of these resources does not necessarily reflect the views of CGG. They are provided for information purposes only.