'Foolishly' in the Bible

And [why] did you not give me opportunity to kiss my grandsons and my daughters [goodbye]? Now you have behaved foolishly [by] doing [this].

Then Samuel said to Saul, "You have behaved foolishly! You have not kept the command of Yahweh your God which he commanded you. For then, Yahweh would have established your kingdom over Israel forever.

The heart of David struck him after he had counted the people, and David said to Yahweh, "I have sinned greatly in what I have done! So then, O Yahweh, please forgive the guilt of your servant because I have acted very foolishly."

He who is short of {temper} will act foolishly, and the man who schemes will be hated.