I think that he meant.....
The man who inwardly believes that lie he is too good to perish will certainly perish unless he experiences a radical change of heart about himself.
Unless “hymn” lyrics are copied from the divinely-inspired Bible, they are human-devised.
Human-devised lyrics, if used in worship, lead to doctrinal error.
God provides 150 Psalms, their lyrics are definely inspired; God’s perfect hymnbook.
The exclusive use of the Psalms in worship leads to increasing doctrinal understanding and is certain to give no offense to God, but to be pleasing to him.
It’s easy to see why a key part of the strategy of undermining a church’s doctrine is to replace the Psalms with human-devised hymn lyrics.
Terrific! We need more men like Tozer!