“Nothing is permanent. The only thing any of us have in common is the inevitable.”
“Nothing in this world is permanent, the only thing that's permanent is change.”
“...what do all the objects in the world have in common if not the fact of being- and of being nothing but- the provisional permanence of certain changes.”
“When we are unhurried and wise, we perceive that only great and worthy things have any permanent and absolute existence, that petty fears and petty pleasures are but the shadow of the reality.”
“Everyone calls himself a friend, but only a fool relies on it: nothing is commoner than the name, nothing rarer than the thing.”
“Common sense tells us that the things of the earth exist only a little, and that true reality is only in dreams.”