there is no one who understands, there is no one who seeks God.

For the one speaking in a tongue does not speak to people but to God, for no one understands; he is speaking mysteries by the Spirit. ¹ 

he is conceited and understands nothing, but has an unhealthy interest in controversies and verbal disputes. This gives rise to envy, dissension, slanders, evil suspicions,

But as for the seed sown on good soil, this is the person who hears the word and understands. He bears fruit, yielding a hundred, sixty, or thirty times what was sown.” ¹