135 Grk “these things.”
136 The genitive absolute construction with the participle ὄντων (ontōn) has been translated as a causal adverbial participle. On the term translated “indisputable” see ἀναντίρρητος which has “not to be contradicted, undeniable.”
137 Grk “it is necessary that you be quiet.”
138 L&N 88.98 has “pertaining to impetuous and reckless behavior—‘reckless, impetuous.’ … ‘so then, you must calm down and not do anything reckless’ Ac 19:36.” The city secretary was asking that order be restored.

In other versions

Seeing then that these things cannot be denied, you ought to be quiet and do nothing rash.

Therefore, since these facts are undeniable, you ought to calm down and not do anything rash.

Therefore, since these things are undeniable, you must keep calm and not do anything rash.

Since this is an undeniable fact, you should stay calm and not do anything rash.

Therefore because these things are undeniable, it is necessary that you be quiet and do nothing rash!

Seeing then that these things cannot be spoken against, ye ought to be quiet, and to do nothing rashly.

Public Domain