Whenever I find myself growing grim about the mouth; whenever it is a damp, drizzly November in my soul; whenever I find myself involuntarily pausing before coffin warehouses, and bringing up the rear of every funeral I meet; and especially whenever my hypos get such an upper hand of me, that it requires a strong moral principle to prevent me from deliberately steppint into the street, and methodically knocking people's hats off--then, I account it high time to get to sea as soon as I can. Moby Dick

Only the shallow know themselves.  Phrases and Philosophies for the use of the Young

As for life, it is a battle and a sojourning in a strange land; but the fame that comes after is oblivion. Book II

Everyone lives through this difficult period. For the average person it’s the point in his life when the demands of his own life clash most violently with the world around him, when his forward path must be fought for most bitterly. Demian