For the introduction of a new kind of music must be shunned as imperiling the whole state since styles of music are never disturbed without affecting the most important political institutions.

The health effects of air pollution imperil human lives. This fact is well-documented.

Courage enlarges cowardice diminishes resources. In desperate straits the fears of the timid aggravate the dangers that imperil the brave.

Just as courage imperils life fear protects it.