James 3:12

Can, my brethren, a fig produce olives, or a vine figs? Neither can salt water make sweet water.

Exodus 15:23-25

And they came to Marah, and could not drink the waters of Marah, for they were bitter; therefore the name of it was called Marah.

2 Kings 2:19-22

And the men of the city said to Elisha, Behold now, the situation of the city is good, as my lord sees; but the water is bad, and the land is barren.

Isaiah 5:2-4

And he dug it, and gathered out the stones thereof, and planted it with the choicest vine; and he built a tower in the midst of it, and also hewed out a winepress therein; and he looked that it should bring forth grapes, but it brought forth wild grapes.

Jeremiah 2:21

And I, I had planted thee a noble vine, wholly a right seed; how then art thou turned into the degenerate shoots of a strange vine unto me?

Ezekiel 47:8-11

And he said unto me, These waters issue out toward the east district, and go down into the plain, and go into the sea; when they are brought forth into the sea, the waters thereof shall be healed.

Matthew 7:16-20

By their fruits ye shall know them. Do men gather a bunch of grapes from thorns, or from thistles figs?

Matthew 12:33

Either make the tree good, and its fruit good; or make the tree corrupt, and its fruit corrupt. For from the fruit the tree is known.

Luke 6:43-44

For there is no good tree which produces corrupt fruit, nor a corrupt tree which produces good fruit;

Romans 11:16-18

Now if the first-fruit be holy, the lump also; and if the root be holy, the branches also.

Treasury of Scripture Knowledge

Summary

Can the fig tree, my brethren, bear olive berries? either a vine, figs? so can no fountain both yield salt water and fresh.

Bible References

The fig tree

Isaiah 5:2
And he dug it, and gathered out the stones thereof, and planted it with the choicest vine; and he built a tower in the midst of it, and also hewed out a winepress therein; and he looked that it should bring forth grapes, but it brought forth wild grapes.
Jeremiah 2:21
And I, I had planted thee a noble vine, wholly a right seed; how then art thou turned into the degenerate shoots of a strange vine unto me?
Matthew 7:16
By their fruits ye shall know them. Do men gather a bunch of grapes from thorns, or from thistles figs?
Matthew 12:33
Either make the tree good, and its fruit good; or make the tree corrupt, and its fruit corrupt. For from the fruit the tree is known.
Luke 6:43
For there is no good tree which produces corrupt fruit, nor a corrupt tree which produces good fruit;
Romans 11:16
Now if the first-fruit be holy, the lump also; and if the root be holy, the branches also.

So

Exodus 15:23
And they came to Marah, and could not drink the waters of Marah, for they were bitter; therefore the name of it was called Marah.
2 Kings 2:19
And the men of the city said to Elisha, Behold now, the situation of the city is good, as my lord sees; but the water is bad, and the land is barren.
Ezekiel 47:8
And he said unto me, These waters issue out toward the east district, and go down into the plain, and go into the sea; when they are brought forth into the sea, the waters thereof shall be healed.