Have you ever been half listening to a conversation and then realized the person was speaking to you? You missed the whole conversation, and point.
We need to be alert and our heart pure to be in tune to the Lord’s voice.
“Most assuredly, I say to you, he who hears My word and believes in Him who sent Me has everlasting life, and shall not come into judgment, but has passed from death into life.” John 5:24