It's 90 percent boredom and 10 percent sheer terror.

Is boredom anything less than the sense of one's faculties slowly dying?.

Pensive they sit, and roll their languid eyes.

You don't get bored, you just don't take interest.

Work spares us from three evils: boredom, vice, and need

The man who lets himself be bored is even more contemptible than the bore.