'Authority' in the Bible

nor did we seek glory from men, either from you or from others, even though as apostles of Christ we might have asserted our authority.

For you know what commandments we gave you by the authority of the Lord Jesus.

Therefore, whoever rejects this instruction is not rejecting human authority but God, who gives you his Holy Spirit.

For this we declare to you on the Lord's own authority--that we who are alive and continue on earth until the Coming of the Lord, shall certainly not forestall those who shall have previously passed away.

Because the Lord himself will come down from heaven with a word of authority, with the voice of the chief angel, with the sound of a horn: and the dead in Christ will come to life first;