FRUIT

Isaiah 5:1-4
My beloved has a vineyard
On a rich & fertile hill.
He plowed the land, cleared its stones
And planted it with choice vines.

In the middle He built a watchtower
And carved a winepress in the nearby rocks.
Then He waited for a harvest of sweet grapes,
But the grapes that grew were wild & sour.

Now, you people of Jerusalem & Judah,
You have heard the case; you be the judges.

What more could I have done
To cultivate a rich harvest?
Why did My vineyard give me wild grapes
When I expected sweet ones?

The lesson of the song of the Vineyard is that God's chosen nation was to bear fruit - to carry out His work, to uphold justice.
It did bear fruit, but the fruit was bad. 

This passage uses wordplay: the Hebrew words for justice and bloodshed sound very much alike, as do those for righteousness & oppression.

Jesus said, "The way to identify a tree or a person is by the kind of fruit that is produced" (Matthew 7:20).

Have you examined your own "fruit" lately?

Does it match the type of tree you are supposed to be?