People would rather live in homes regardless of its grayness. There is no place like home.
In other words, the more stupid one is, the more he thinks he knows.
It is worth a lot of bother to be able to think properly.
Unless one can think wisely it is better to remain a dummy.
Never give up. No one knows what's going to happen next.
If you only have brains on your head you would be as good a man as any of them, and a better man than some of them. Brains are the only things worth having in this world, no matter whether one is a crow or a man.