⁹ But avoid^(A) foolish controversies and genealogies and arguments and quarrels^(B) about the law,^(C) because these are unprofitable and useless.^(D)

⁴ they are conceited^(A) and understand nothing. They have an unhealthy interest in controversies and quarrels about words^(B) that result in envy, strife, malicious talk, evil suspicions