Bible Verses About bearing bad fruit

Beware of false prophets, which come to you in sheep's clothing, but inwardly they are ravening wolves.

Ye shall know them by their fruits. Do men gather grapes of thorns, or figs of thistles?

For a good tree bringeth not forth corrupt fruit; neither doth a corrupt tree bring forth good fruit.

I am the true vine, and my Father is the husbandman.

Now the works of the flesh are manifest, which are these; Adultery, fornication, uncleanness, lasciviousness,

But the fruit of the Spirit is love, joy, peace, longsuffering, gentleness, goodness, faith,