Definition and Concept:
The phrase "Speak Life with Authority" refers to the biblical principle of using one's words to impart life, encouragement, and truth, grounded in the authority given by God. This concept is rooted in the belief that words have power and that believers are called to use their speech to reflect God's will and purposes.

Biblical Foundation:

1. The Power of Words:
The Bible emphasizes the power of words in shaping reality and influencing others. Proverbs 18:21 states, "Life and death are in the power of the tongue, and those who love it will eat its fruit." This verse underscores the potential of words to bring about life or destruction, urging believers to choose their words wisely.

2. Authority in Christ:
Believers are endowed with authority through their relationship with Christ. In Matthew 28:18-19 , Jesus declares, "All authority in heaven and on earth has been given to Me. Therefore go and make disciples of all nations..." This commission implies that believers, as representatives of Christ, carry His authority to speak and act in alignment with His mission.

3. Speaking with Faith:
The act of speaking life is closely tied to faith. In Mark 11:23 , Jesus teaches, "Truly I tell you, if anyone says to this mountain, ‘Be lifted up and thrown into the sea,’ and has no doubt in his heart but believes that it will happen, it will be done for him." This passage illustrates the power of faith-filled words to effect change.

4. Edification and Encouragement:
The New Testament encourages believers to use their words for edification. Ephesians 4:29 instructs, "Let no unwholesome talk come out of your mouths, but only what is helpful for building up the one in need and bringing grace to those who listen." Speaking life involves using words to build up others and impart grace.

5. Prophetic Utterance:
Speaking life with authority can also involve prophetic utterance, where believers speak forth God's truth and promises. In 1 Corinthians 14:3 , Paul explains, "But he who prophesies speaks to men for their edification, encouragement, and comfort." Prophetic speech serves to strengthen and encourage the body of Christ.

Practical Application:

1. Prayer and Declaration:
Believers are encouraged to pray and make declarations based on God's Word. By aligning their speech with Scripture, they can speak life into situations, trusting in God's promises and authority.

2. Guarding the Tongue:
James 3:5-6 warns of the tongue's potential for harm, comparing it to a small fire that can set a forest ablaze. Believers are called to exercise self-control and wisdom in their speech, ensuring that their words reflect God's love and truth.

3. Encouraging Others:
Speaking life involves actively seeking to encourage and uplift others. This can be done through words of affirmation, sharing Scripture, and offering hope in difficult times.

4. Witnessing and Evangelism:
The authority to speak life extends to sharing the Gospel. Believers are called to proclaim the good news of Jesus Christ, using their words to lead others to salvation and new life in Him.

Conclusion:
The biblical principle of speaking life with authority calls believers to recognize the power of their words and to use them in alignment with God's purposes. By speaking life, believers can bring encouragement, edification, and transformation to those around them, reflecting the authority and love of Christ.