Learning to know anxiety is ...

Learning to know anxiety is an adventure which every man has to affront if he would not go to perdition either by not having known anxiety or by sinking under it. He therefore who has leaned rightly to be in anxiety has learned the most important thing.
Learning to know anxiety is an adventure which every man has to affront if he would not go to perdition either by not having known anxiety or by sinking under it. He therefore who has leaned rightly to be in anxiety has learned the most important thing.

Quotes from the same author

Not just in commerce but in the world of ideas too our age is putting on a veritable clearance sale. Everything can be had so dirt cheap that one begins to wonder whether in the end anyone will want to make a bid.
It is a very curious thing about superstition. One would expect that the man who had once seen his morbid dreams were not fulfilled would abandon them for the future; but on the contrary they grow even stronger just as the love of gambling increases in a man who has once lost in a lottery.
The gods were bored and so they created man. Adam was bored because he was alone, so Eve was created. Thus boredom entered the world, and increased in proportion to the increase in population. Adam was bored alone, then Adam and Eve were bored together; them Adam and Eve and Cain and Abel were bored en famille; then the population of the world increased, and the people were bored en masse.
Christianity does not oppose debauchery and uncontrollable passions and the like as much as it opposes... flat mediocrity, this nauseating atmosphere, this homey, civil togetherness, where admittedly great crimes, wild excesses, and powerful aberrations cannot easily occur - but where God's unconditional demand has even greater difficulty in accomplishing what it requires: the majestic obedience of submission.
You love the accidental. A smile from a pretty girl in an interesting situation, a stolen glance, that is what you are hunting for, that is a motif for your aimless fantasy. You who always pride yourself on being an observateur must, in return, put up with becoming an object of observation. Ah, you are a strange fellow, one moment a child, the next an old man; one moment you are thinking most earnestly about the most important scholarly problems, how you will devote your life to them, and the next you are a lovesick fool. But you are a long way from marriage.