'Asserting' in the Bible

And all the people know it,That is, Ephraim and the inhabitants of Samaria,Asserting in pride and in arrogance of heart:

They began to accuse Jesus, asserting, “We found this Man misleading and perverting our nation and forbidding us to pay taxes to Caesar, and claiming that He Himself is Christ (the Messiah, the Anointed), a King.”

For some time ago Theudas rose up, claiming to be somebody [of importance], and a group of about four hundred men allied themselves with him. But he was killed, and all who followed him were scattered and came to nothing.

and Jason has welcomed them [into his house and protected them]! And they all are saying things contrary to the decrees of Caesar, [actually] claiming that there is another king, Jesus.”

The Jewish leaders supported his accusations by asserting that these things were true.

Instead, they had several arguments with him about their own religion and about a certain Jesus who had died but Paul kept asserting he was alive.

But I have had help from God to this day, and I stand [before people] testifying to small and great alike, stating nothing except what the Prophets and Moses said would come to pass—