Prostitution in the towns is like the cesspool in the palace; take away the cesspool and the palace will become an unclean and evil smelling-place.

As regards the individual nature, woman is defective and misbegotten, for the active power of the male seed tends to the production of a perfect likeness in the masculine sex; while the production of a woman comes from defect in the active power.

To pretend angels do not exist because they are invisible is to believe we never sleep because we don't see ourselves sleeping.

If... the motion of the earth were circular, it would be violent and contrary to nature, and could not be eternal, since ... nothing violent is eternal .... It follows, therefore, that the earth is not moved with a circular motion.

The servants of God...whether provoked by word or work, by keeping themselves tranquil and peaceful, evince a perfect nobleness of soul.

It is not theft, properly speaking, to take secretly and use another's property in a case of extreme need: because that which he takes for the support of his life becomes his own property by reason of that need

One aspect of neighbourly love is that we must not merely will our neighbours good, but actually work to bring it about.