Question

why did the banquo comment , devil speak the truth

it's of chapter Macbeth and the witches ​

Answer 1

Explanation:

These lines are taken from Macbeth, a play written by famous Shakespeare.  

In the play, Macbeth has been shown as a character who says one thing but does the other, means he was an untrustworthy guy. Macbeth pretended to be a loyal subject to King Duncan but infact he was against him.  

But in the end of play, Macbeth had died and The king of that regime was Malcolm who also scolded Lady Macbeth for her work and that she had taken her own life  

Answer 2

He says so, commenting that liars can also sometimes speak truth to trick people.

• The question has been asked from the play Macbeth, by famous Shakespeare.  
• One must be mindful that liars might deceive people by using the truth. These sentences imply that consequence will be devilish. He's wondering if the devil tells the truth as sometimes it wins, then darkness does.
• The words were spoken after Ross informed Macbeth regarding Duncan titling him as the current Cawdor Thane, as the witches had foreseen.
• Banquo seemed to understand had witches could not have delivered good news as they were devil's servants. He was taken aback by the fact that what they predicted has actually occurred.