“Fair is foul and foul is fair” – The Witches, Act 1 Scene 1

Explanation :

“If you can look into the seeds of time, and say which grain will grow and which will not” – Banquo, Act 1 Scene 3

Explanation :

“And oftentimes, to win us to our harm, The instruments of darkness tell us truths, Win us with honest trifles, to betray’s in deepest consequence” – Banquo, Act 1 Scene 3