1 Peter 2:1

Wherefore, laying aside all malice, and all guile and hypocrisies, and envyings, and all evil speaking;

2 Peter 2:10-11

but especially those who go after the flesh in the lust of uncleanness, and who despise government: being audacious, self-willed, who fear not to revile dignitaries;

1 John 3:12

Not being of the wicked one, as Cain was, who slew his brother. And on account of what, did he slay him? Because his own works were wicked, and his brother's righteous.

1 John 3:15

Every one who hates his brother, is a manslayer; and you know that no manslayer has eternal life abiding in him.

Jude 1:8-10

Truly, in like manner, also, shall these dreamers be punished-who, indeed, defile the flesh, despise authority, and blaspheme dignities.

Revelation 12:10

And I heard a great voice saying, in heaven, Now is come the salvation, and the power, and the kingdom of our God, and the authority of his Christ; because the accuser of our brethren is cast out, who accused them before our God day and night.

Treasury of Scripture Knowledge

Summary

Let all bitterness, and wrath, and anger, and clamour, and evil speaking, be put away from you, with all malice:

General references

Bible References

Evil speaking

1 Peter 2:1
Wherefore, laying aside all malice, and all guile and hypocrisies, and envyings, and all evil speaking;
2 Peter 2:10
but especially those who go after the flesh in the lust of uncleanness, and who despise government: being audacious, self-willed, who fear not to revile dignitaries;
Jude 1:8
Truly, in like manner, also, shall these dreamers be punished-who, indeed, defile the flesh, despise authority, and blaspheme dignities.
Revelation 12:10
And I heard a great voice saying, in heaven, Now is come the salvation, and the power, and the kingdom of our God, and the authority of his Christ; because the accuser of our brethren is cast out, who accused them before our God day and night.

With

1 John 3:12
Not being of the wicked one, as Cain was, who slew his brother. And on account of what, did he slay him? Because his own works were wicked, and his brother's righteous.

General references

1 John 4:11
Beloved, if God so loved us, we, also, ought to love one another.