Metaphysics is universal and is exclusively concerned with primary substance. ... And here we will have the science to study that which is, both in its essence and in the properties which it has.
The essence of a vow does not consist in the difficulty of its performance but in the determination behind it unflinchingly to stick to it in the teeth of difficulties.
If life — the craving for which is the very essence of our being — were possessed of any positive intrinsic value, there would be no such thing as boredom at all: mere existence would satisfy us in itself, and we should want for nothing.
Anything which is a living and not a dying body... will have to be an incarnate will to power, it will strive to grow, spread, seize, become predominant - not from any morality or immorality but because it is living and because life simply is will to power... 'Exploitation'... belongs to the essence of what lives, as a basic organic function; it is a consequence of the will to power, which is after all the will to life.
Seest thou how pale the sated guest rises from supper, where the appetite is puzzled with varieties? The body, too, burdened with I yesterday's excess, weighs down the soul, and fixes to the earth this particle of the divine essence.