God's church, because it co-exists with the unrighteousness of the world, is in danger of becoming corrupted or leavened by the world's example.

In the Beatitude, hungering and thirsting for righteousness are present tense active participles signifying continuous longing for God's righteousness.

The way leading to eternal life is narrow and difficult and few find it. The road to the Kingdom may not be a highway, but neither is it concealed or secret.