The expression “poisonous root ” refers to those few in the Christian congregation who may find fault with the way things are done.
بِٱلْمُقَابِلِ ،‏ نَصَحَهُمْ أَنْ ‹ يَسْعَوْا فِي أَثَرِ ٱلْقَدَاسَةِ › ،‏ « مُنْتَبِهِينَ .‏ .‏ .‏