'Act' in the Bible

Be mindful, therefore, of the height from which you have fallen. Repent at once, and act as you did at first, or else I will surely come and remove your lampstand out of its place--unless you repent.

A mouth was given to him to speak boasts and blasphemies. He was also given authority to act for 42 months.

for God has given to their hearts to do his mind, and to act with one mind, and to give their kingdom to the beast until the words of God shall be fulfilled.

And then I saw thrones, and sitting on them were those to whom judgment [that is, the authority to act as judges] was given. And I saw the souls of those who had been beheaded because of their testimony of Jesus and because of the word of God, and those who had refused to worship the beast or his image, and had not accepted his mark on their forehead and on their hand; and they came to life and reigned with Christ for a thousand years.

The evildoer must continue to do evil, and the one who is morally filthy must continue to be filthy. The one who is righteous must continue to act righteously, and the one who is holy must continue to be holy."