The vicious cycle of anger
ויט אהרן את-ידו על מימי מצרים ותעל הצפרדע ותכס את-ארץ מצרים
Aharon held out his arm over the water of Egypt, and the frog came up and covered the land of Egypt
The second of the ten plagues was the plague of frogs. The frogs were everywhere. They were in the Egyptians’ households, including their kitchens and bedrooms. Miraculously, they even entered the Egyptians; bodies and croaked in their digestive tracks. The verse that introduces the plague has a grammatical oddity. It says that the frog came up and covered the land of Egypt. Why is this word in the singular? The simple explanation is that sometimes things that are great in number are described in the singular. This is because when they are on-mass, they appear to be one giant force to be reckoned with. This is what happened in Egypt.