The parent knows instinctively that if they're working and setting an example for their child that means that child is more likely to be in school, more likely to stay out of trouble and more likely to complete their education.
Science is beautiful when it makes simple explanations of phenomena or connections between different observations. Examples include the double helix in biology and the fundamental equations of physics.
Parents don't know their children at all.No one knows anyone, in fact.
Setting goals is the first step in turning the invisible into the visible.