Is Sharing the Gospel Ever Fruitless?

Is sharing the message of the gospel ever fruitless? Is it ever a waste of time to share, read, or write the gospel?

How did Jesus share the gospel? Was it always accepted? How was He treated?

How did the Apostles share the gospel? Was it always accepted? How were they treated?

The truth of the gospel of Jesus Christ shines into the darkness and exposes sin and in doing so offends the sinner.

"For I am not ashamed of the gospel, for it is the power of God for salvation to everyone who believes, to the Jew first and also to the Greek." - Romans 1:16