A moving sermon or memorable quotation can draw attention to an important truth. Yet strong delivery does not settle whether a claim is right. Acts 17 describes people in Berea who received the message with readiness and examined the Scriptures daily to see whether what they heard was so. Their example joins a willingness to listen with the responsibility to examine. It is not an excuse for permanent suspicion, nor a command to accept any statement because a respected teacher made it.
When a quotation appears in your study, begin by asking what the person actually said and where the words came from. A short excerpt can be genuine while still leaving out a necessary qualification. If the original source is unavailable, the honest response is to mark the limitation. Then ask which biblical passages bear on the subject and read them in context. Scripture can illuminate a theme without serving as a decorative endorsement of every historical author's conclusion. Writers from different traditions may also differ in ways worth acknowledging.
Read Acts 17:10-12 and then look at the surrounding account of Paul's preaching. Notice how the response in Berea differs from the earlier scene in Thessalonica. Practice discernment with one claim you recently heard: write the claim down accurately, identify the text used to support it, and examine the chapter. If the connection is uncertain, leave the matter open for further study rather than inventing confidence. Good research should make people more careful with both Scripture and other people's words.
Sources
Scripture for study: Acts 17:10-12