A new father quickly learns that his child invariably comes to the bathroom at precisely the times when he's in there, as if he needed company. The only way for this father to be certain of bathroom privacy is to shave at the gas station. ↗
A smart man makes a mistake, learns from it, and never makes that mistake again. But a wise man finds a smart man and learns from him how to avoid the mistake altogether. ↗
When man learns to understand and control his own behavior as well as he is learning to understand and control the behavior of crop plants and domestic animals, he may be justified in believing that he has become civilized. ↗