Knowledge is hard for us to get. As Aristotle says: The investigation of the truth is in one way hard, in another easy. An indication of this is found in the fact that no one is able to attain the…

The first words of the Summa Contra Gentiles express an important principle for those who seek the truth: The usage of the multitude…is to be followed in giving names to things. This is important for at least a few reasons…