If you have fear of some pain or suffering, you should examine whether there is anything you can do about it. If you can, there is no need to worry about it; if you cannot do anything, then there is also no need to worry.
When virtue is lost, benevolence appears, when benevolence is lost right conduct appears, when right conduct is lost, expedience appears. Expediency is the mere shadow of right and truth; it is the beginning of disorder.