A boy can learn a lot from a dog: obedience, loyalty, and the importance of turning around three times before lying down.
We all have strength enough to endure the misfortunes of others.
Write a wise saying and your name will live forever.
The first precept was never to accept a thing as true until I knew it as such without a single doubt.
It is a paradoxical but profoundly true and important principle of life that the most likely way to reach a goal is to be aiming not at that goal itself but at some more ambitious goal beyond it.
One of the lessons of history is that nothing is often a good thing to do and always a clever thing to say.
You must not think me necessarily foolish because I am facetious, nor will I consider you necessarily wise because you are grave.