Change often results in fear. As such, it must be met with strength. Failure to do so can breed panic that only God's strength can overcome.
No man is to be respected above another person in a form of unrighteous judgment. However, does not infer nondiscrimination in every matter.
Many people use time set aside for rest to do things that deprive of rest. This compounds the need for rest and the problems associated with not getting any.
The Sabbath was a sign between the Lord and Israel, but it also demonstrates a principle that man needs a period set aside to rest.
Murder is an act of hatred originating in the heart. Man, however, is not the inventor of murder. It is, in fact, the will and work of Satan.