A common misinterpretation applies 'this generation' solely to Jesus' first-century audience, leading to expectations that the end times would occur within their lifetimes and fostering skepticism when it did not; in context, it refers to the future generation that observes the preceding signs outlined in verses 25-31, not those hearing Jesus directly.
Luke 21:32
King James Version (1769)
32 Verily I say unto you, This generation shall not pass away, till all be fulfilled.
Jesus emphasizes the certainty and imminence of prophetic fulfillment, declaring that the generation witnessing the cosmic signs and the gathering of Israel—like the budding fig tree—will not pass away before all these events come to pass, affirming the trustworthiness of His words and the unstoppable nature of God's redemptive plan.