It helps us understand the evolution of words!
The weather has been so variant lately, that I'm not sure whether to wear shorts or a down jacket.
Answer:
1st part
Some people view him as strange, and some people view him as a normal person who just has insomnia.
2nd part
the author's idea that unless careful thought and reason are used it will lead to the destruction of civilized behavior
Famous dog trainer, Deb Tennen, writes, "Some of my best friends are dogs."