Law; an ordinance of reason for the common good, made by him who has care of the community.

An act of love always tends towards two things; to the good that one wills, and to the person for whom one wills it.

It is a sin directly against one's neighbour, since one man cannot over-abound in external riches, without another man lacking them.

Man cannot live without joy; therefore when he is deprived of true spiritual joys it is necessary that he become addicted to carnal pleasures.

Man should not consider his material possession his own, but as common to all, so as to share them without hesitation when others are in need.

The soul is perfected by knowledge and virtue.

Wonder [admiratio astonishment, marvel] is a kind of desire for knowledge. The situation arises when one sees an effect and does not know its cause, or when the cause of the particular effect is one that exceeds his power of understanding. Hence, wonder is a cause of pleasure insofar as there is annexed the hope of attaining understanding of that which one wants to know. ... For desire is especially aroused by the awareness of ignorance, and consequently a man takes the greatest pleasure in those things which he discovers for himself or learns from the ground up.