It was completely fruitless to quarrel with the world, whereas the quarrel with oneself was occasionally fruitful and always, she had to admit, interesting.

Don't forget to love yourself.

A human being is a spirit. But what is spirit? Spirit is the self. But what is self? The self is a relation that relates itself to itself or is the relation's relating itself to itself in the relation.

The door to happiness opens outward.

...the reason for [this age's] anxiety and unrest is because in one direction, 'truth' increases in scope and quantity - via science and technology - while in the other, certainty and confidence steadily decline. Our age is a master in developing truths while being wholly indifferent to certitude. It lacks confidence in the good.

To pace about, looking to obtain status, looking to attain 'importance' - I can think of nothing more ridiculous.

Who is also aware of the tremendous risk involved in faith - when he nevertheless makes the leap of faith - this [is] subjectivity ... at its height.