The celebration of Holy Mass is as valuable as the death of Jesus on the cross.
God destines us for an end beyond the grasp of reason.
Man can sin against nature in two ways. First, when he sins against his specific rational nature, acting contrary to reason. In this sense, we can say that every sin is a sin against man's nature, because it is against man's right reason.
A man does not always choose what his guardian angel intends.
There is nothing on this earth more to be prized than true friendship.
Arrive at knowledge over small streamlets, and do not plunge immediately into the ocean, since progress must go from the easier to the more difficult.