Of David. When he pretended to be insane before Abimelek, who drove him away, and he left. I will extol the LORD at all times; his praise will always be on my lips.
NIV
[A Psalm] of David; when he pretended to be insane before Abimelech, who drove him out, and he went away. I WILL bless the Lord at all times; His praise shall continually be in my mouth.
AMP
I will bless the LORD at all times: his praise shall continually be in my mouth.
KJV
At this they exclaimed, "Now we know that you are demon-possessed! Abraham died and so did the prophets, yet you say that whoever obeys your word will never taste death."
NIV
The Jews said to Him, Now we know that You are under the power of a demon (insane). Abraham died, and also the prophets, yet You say, If a man keeps My word, he will never taste of death into all eternity.
AMP
Then said the Jews unto him, Now we know that thou hast a devil. Abraham is dead, and the prophets; and thou sayest, If a man keep my saying, he shall never taste of death.
KJV
So he pretended to be insane in their presence; and while he was in their hands he acted like a madman, making marks on the doors of the gate and letting saliva run down his beard.
NIV
And he changed his behavior before them, and pretended to be insane in their [Philistine] hands, and scribbled on the gate doors, and drooled on his beard.
AMP
And he changed his behaviour before them, and feigned himself mad in their hands, and scrabbled on the doors of the gate, and let his spittle fall down upon his beard.
KJV