A word fitly spoken is like apples of gold in pictures of silver.
How many apples of gold have you ever seen? Aw, look how it shines! Wouldn't it be a great treasure if you ever found one? Well, this is really not about a golden apple showing up on your table. It's more about teaching or sharing knowledge with the right words, at the right time and at the right place, which takes wisdom and God's help. Of course, the listener has some responsibility to make the teachers words worthwhile. There's a saying that "The instructor becomes a teacher when the student shows up". If someone you are trying to instruct is daydreaming and longing to be somewhere else, is distracted by a life event, or has their hearts closed and is not ready to receive the instruction, unfortunately, that someone will not learn from you. It is the same in knowing God. God can't teach us when we're not showing up