Taking Hamas at their word

I like this bit from a Jeff Goldberg article:

There is a fixed idea among some Israeli leaders that Hamas can be bombed into moderation. This is a false and dangerous notion. It is true that Hamas can be deterred militarily for a time, but tanks cannot defeat deeply felt belief.

The reverse is also true: Hamas cannot be cajoled into moderation. Neither position credits Hamas with sincerity, or seriousness.