'Strongly' in the Bible
And with many other words he testified and strongly urged them, saying, “Be saved from this corrupt generation!”
They said to her, “You are out of your mind!” But she kept insisting that it was so. They kept saying, “It is his angel!”
And he said, ‘The God of our fathers has appointed you to know His will, [and to progressively understand His plan with clarity and power] and to see the Righteous One [Jesus Christ, the Messiah] and to hear a message from His [own] mouth.
There was a great commotion, and some experts in the law from the party of the Pharisees stood up and protested strongly, "We find nothing wrong with this man. What if a spirit or an angel has spoken to him?"
And [because] considerable time had passed and the voyage was now dangerous because even the Fast was already over, Paul strongly recommended,
I therefore strongly advise you to take some food. This is essential for your safety. For not a hair will perish from the head of any one of you."