Everything You Need to Be a Witness - Greg Laurie Devotion - May 11, 2026

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“So beginning with this same Scripture, Philip told him the Good News about Jesus.” (Acts 8:35 nlt)

Every now and again, stories appear in the news about people who pose as physicians even though they’re not licensed to practice medicine. In some cases, the actions of these faux physicians prove to be destructive or even fatal for the people they’re “treating.” Obviously, such malpractice is inexcusable.

But what about spiritual malpractice? I believe that there are some preachers today who are guilty of harmful and destructive spiritual guidance. These questionable Christian leaders are not accurately presenting the gospel message.

The litmus test for determining whether a gospel message is legitimate is simple. If a presentation of the Good News doesn’t contain a message about the death and resurrection of Jesus Christ, then it’s insufficient. Every effective gospel presentation, whether it’s a sermon given from a pulpit or part of a private conversation, ultimately needs to come down to this: Jesus Christ, the Son of God, who lived a sinless life, died on the cross for our sin. He paid the price for every wrong thing we’ve ever done. And after He conquered the power of sin, He rose again to conquer the power of death.

That’s the essence of the gospel. That’s the message we need to take to people.

Too often we bog ourselves down with too many arguments, counterarguments, and debate strategies. We look for “gotcha” moments, opportunities to use unbelievers’ logic against them.

A better option is to “travel light”—to fill our thoughts with Scripture alone. If we want to be effective in sharing our faith, our message must be centered on God’s Word. That’s why the apostle Paul wrote, “Do your best to present yourself to God as one approved, a worker who does not need to be ashamed and who correctly handles the word of truth” (2 Timothy 2:15 niv).

When we commit Scripture to memory, when we know the Word of God, we have a well to draw from when someone asks us a question. And as we prepare to respond, we can pray that the Holy Spirit will bring the right passages to mind.

Think again about Philip’s opportunity to share the gospel with a government official from Ethiopia. Acts 8:35 says, “So beginning with this same Scripture, Philip told him the Good News about Jesus” (nlt). Philip was able to present the gospel accurately and at a moment’s notice because he knew Scripture.

The better we know Scripture and the more of it we commit to memory, the more we give the Holy Spirit to work with. The psalmist wrote, “I have hidden your word in my heart, that I might not sin against you” (Psalm 119:11 nlt). When we commit ourselves to that same pursuit, we’ll discover not only that God blesses our efforts but also that our heart has much greater storage capacity than we can imagine.

Reflection question: How much of your heart’s storage capacity is filled with memorized Scripture passages?

Copyright © 2026 by Harvest Ministries. All rights reserved.

Photo credit: ©GettyImages/RyanJLane

Greg Laurie is the pastor and founder of the Harvest churches in California and Hawaii and of Harvest Crusades. He is an evangelist, best-selling author, and movie producer. His latest film ‘Jesus Revolution,’ from Lionsgate and Kingdom Story Company, is now available on-demand worldwide.

For more relevant and biblical teaching from Pastor Greg Laurie, go to www.harvest.org
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Relationships can be one of life’s greatest blessings. They can also be one of life’s greatest challenges. In his new book Am I Doing This Right?, Pastor Greg Laurie explores what the Bible says about singleness, dating, marriage, friendships, family, and even how we relate to people who don’t share our faith. Drawing from Scripture and personal experience, Greg offers practical guidance for building relationships that honor God and stand the test of time. 

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