I had already experienced plenty of loneliness. Now I sensed that even deeper loneliness existed, and that it was inescapable. Demian

"But Gregor found it easy to give up having the door open, he had, after all, often failed to make use of it when it was open and, without the family having noticed it, lain in his room in its darkest corner." Metamorphosis and Other Stories

“For certainly old age has a great sense of calm and freedom; when the passions relax their hold, then, as Sophocles says, we are freed from the grasp not of one mad master only, but of many. The truth is, Socrates, that these regrets, and also the complaints about relations, are to be attributed to the same cause, which is not old age, but men’s characters and tempers; for he who is of a calm and happy nature will hardly feel the pressure of age, but to him who is of an opposite disposition youth and age are equally a burden.” Republic

“And the man who seeks salvation in change of place like a migrating bird would find nothing anywhere, for all the world is alike to him.” The Duel