Unfaithfulness is the fault of a woman

Malitthiyā duccaritaṃ, maccheraṃ dadato malaṃ;

Malā ve pāpakā dhammā, asmiṃ loke paramhi ca.

Unfaithfulness is the fault of a woman,

miserliness that of the generous, 

and evil thoughts the cause of all evil in all the worlds.

Dhammapada, 242.