Metaphysical world.- It is true, there could be a metaphysical world; the absolute possibility of it is hardly to be disputed. We behold all things through the human head and cannot cut off this head; while the question nonetheless remains what of the world would still be there if one had cut it off.

Christianity is religion for the executioner.

A lack of the historical sense is the hereditary fault of all philosophers.

What is new, however, is always evil, being that which wants to conquer and overthrow the old boundary markers and the old pieties; and only what is old is good. The good men are in all ages those who dig the old thoughts, digging deep and getting them to bear fruit - the farmers of the spirit. But eventually all land is depleted, and the ploughshare of evil must come again and again.

Immature is the love of the youth, and immature his hatred of man and earth. His mind and the wings of his spirit are still tied down and heavy.

As regards the celebrated struggle for life, it seems to me for the present to have been rather asserted than proved. It does occur, but as the exception; the general aspect of life is not hunger and distress, but rather wealth, luxury, even absurd prodigality -- where there is a struggle it is a struggle for power.

The deeper minds of all ages have had pity for animals.