It is a self-deception of ...

It is a self-deception of philosophers and moralists to imagine that they escape decadence by opposing it. That is beyond their will; and, however little they acknowledge it, one later discovers that they were among the most powerful promoters of decadence.
It is a self-deception of philosophers and moralists to imagine that they escape decadence by opposing it. That is beyond their will; and, however little they acknowledge it, one later discovers that they were among the most powerful promoters of decadence.

Quotes from the same author

Rejoicing in our joy, not suffering over our suffering, makes someone a friend.
You need chaos in your soul to give birth to a dancing star.
Love is blind; friendship closes its eyes.
We love life, not because we are used to living but because we are used to loving.
The man of knowledge must be able not only to love his enemies but also to hate his friends.