Gertrude's Deceit In Hamlet

I think Gertrude's deceit seems to drive the unfolding of the play. As much as Hamlet seems to be depressed about his father's death in some way or another his madness always seems to come back to Gertrude. The play, in general, comes back to the theme of the deceit of women, this is particularly evident in Act 3 as Ophelia tricks Hamlet. Claudius makes a remarks on deceit that brings it back to woman "The harlot's cheek, beautied with plast'ring art, Is not more ugly to the thing that helps it" (3:1:41).

Hamlet is the character who is most troubled about the deceit in the case of his mother's marriage. This deceit is in the back of his mind in his rejection of Ophelia. He says women and their deceit are the reason he has gone insane and that