(Wikipedia entry over here; translation of journal here.)
Stimulus oriented versus stimulus independent thought?
“[…] respect in yourself the oscillations of feeling. They are your life and your nature […]. Do not abandon yourself altogether either to instinct or to will. Instinct is a siren, will a despot. Be neither the slave of your impulses and sensations of the moment, nor of an abstract and general plan; be open to what life brings from within and without, and welcome the unforeseen; but give to your life unity, and bring the unforeseen within the lines of your plan. Let what is natural in you raise itself to the level of the spiritual, and let the spiritual become once more natural. Thus will your development be harmonious […]”
“[…] what we call “society” proceeds for the moment on the flattering illusory assumption that it is moving in an ethereal atmosphere and breathing the air of the gods. All vehemence, all natural expression, all real suffering, all careless familiarity, or any frank sign of passion, are startling and distasteful in this delicate milieu; they at once destroy the common work, the cloud palace, the magical architectural whole, which has been raised by the general consent and effort.”