Matthew 12:36,37
But I say to you, That every idle word that men shall speak, they shall give account thereof in the day of judgment.
Torrey's Topical Textbook—AKJV

Jude 1:15
To execute judgment on all, and to convince all that are ungodly among them of all their ungodly deeds which they have ungodly committed, and of all their hard speeches which ungodly sinners have spoken against him.
Torrey's Topical Textbook—AKJV