"There 's daggers in men's smiles". - (Act 2, Scene 3)

"I dare do all that may become a man; Who dares do more is none". - (Act 1, Scene 6).

"Fair is foul, and foul is fair". - (Act 1, Scene 1).

"Yet do I fear thy nature; It is too full o' the milk of human kindness." - (Act 1, Scene 4).

"Double, double toil and trouble; Fire burn, and cauldron bubble." - (Act 5, Scene 1).

"If chance will have me king, why, chance may crown me". - (Act 1, Scene 3).

"Look like the innocent flower, but be the serpent under 't." - (Act 1, Scene 6).

"I have no spur to prick the sides of my intent, but only vaulting ambition, which o'erleaps itself, and falls on the other." - (Act 1, Scene 6).

"Is this a dagger which I see before me, The handle toward my hand?" - (Act 2, Scene 1).

"Out, out, brief candle! Life's but a walking shadow, a poor player that struts and frets his hour upon the stage and then is heard no more: it is a tale told by an idiot, full of sound and fury, signifying nothing." - (Act 4, Scene 4).