The fourfold root of the principle of sufficent reason is "Anything perceived has a cause. All conclusions have premises. All effects have causes. All actions have motives.

What makes people hard-hearted is this, that each man has, or fancies he has, as much as he can bear in his own troubles.

Materialism is the philosophy of the subject who forgets to take account of himself.

The heavy armor becomes the light dress of childhood; the pain is brief, the joy unending.

Astrology furnishes a splendid proof of the contemptible subjectivity of men in consequence whereof they refer everything to themselves and from every idea at once go straight back to themselves. Astrology refers the course of celestial bodies to the miserable ego; it also establishes a connection between the comets in heaven and the squabbles and rascalities on earth.

Pride works _from within_; it is the direct appreciation of oneself. Vanity is the desire to arrive at this appreciation indirectly, from without.

The ordinary method of education is to imprint ideas and opinions, in the strict sense of the word, prejudices, on the mind of the child, before it has had any but a very few particular observations. It is thus that he afterwards comes to view the world and gather experience through the medium of those ready-made ideas, rather than to let his ideas be formed for him out of his own experience of life, as they ought to be.