Insidiously

If only there were evil people somewhere insidiously committing evil deeds, and it were necessary only to separate them from the rest of us and destroy them. But the line dividing good and evil cuts through the heart of every human being. And who is willing to destroy a piece of his own heart?

As he had often done before, he pulled his hat over his face and watched the sun peering insidiously at him through the interstices of the straw.