quotes/ideas for Banquo:
1. "instruments of darkness" - he recognises that the witches are not to be trusted, unlike Macbeth who fully believes in their prophecies
2. He has "a wisdom" which suggests that Banquo thinks before he acts and does what is right
3. He is a noble and brave warrior "Noble Banquo"
4. "Are ye fantastical" he is suspicious of witches as their appearance is misleading
5." O, treachery!" suggests he did not suspect that macbeth would betray him