Identifying the specific cause and retarding it's growth are the target of diligent efforts.
It is up to us to be forever diligent so that our freedoms in taking care of our health are not done away with.
The diligent work to thwart Britain's home-grown terrorists must continue.
During our childhood, parents and elders would endlessly encourage us to study well and be very diligent in all our undertakings.
Imagine their dismay after 20 or 30 minutes of diligent research when they fail to turn up any information.