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What Are the Most Powerful Arguments for the Existence of God?

Greg explains his two favorite arguments for the existence of God.

Blog Post | Philosophy | Greg Koukl | April 1, 2020

Size Is Irrelevant to Human Value (Video)

Greg explains why a difference in size does not disqualify someone from being a person.

Blog Post | Bio-Ethics | Greg Koukl | February 17, 2020

It May Be Human, but It’s Not a Person? (Video)

Is there a legitimate dividing line between human persons and human non-persons? Greg explains why we need to be sure about the answer to this question.

Blog Post | Bio-Ethics | Greg Koukl | January 6, 2020

The Only Question That Matters in the Abortion Debate (Video)

Greg explains why we must first determine what the unborn are before we can decide whether or not it’s okay to kill them.

Blog Post | Bio-Ethics | Greg Koukl | October 7, 2019

Is Morality Grounded in God Just Another Form of Relativism?

Since God is an individual subject, wouldn’t any morality grounded in Him be subjective rather than objective?

Blog Post | Philosophy | Greg Koukl | April 24, 2019

Where Do Moral Laws Come From? (Video)

We can be good without God, but would goodness even exist without God? Greg explains the argument for God from morality. 

Blog Post | Philosophy | Greg Koukl | April 15, 2019

Self-Evident Truths

Many things foundational to a Christian worldview are things people already know through intuition—information built into our minds by a wise Creator. Our founding fathers called them “self-evident” truths.

Blog Post | Philosophy | Greg Koukl | November 15, 2018

Are There Moral Implications to Cremation vs. Burial? (Video)

As Christians, should we be concerned with what happens to our bodies after we die? 

Blog Post | Ethics | Greg Koukl | October 29, 2018

What Was the Sin of Sodom and Gomorrah? (Video)

It's become popular to claim that the sin of Sodom and Gomorrah was something other than homosexuality. What does the Bible say?

Blog Post | Ethics | Greg Koukl | October 8, 2018

Does the Promise of a Reward Eliminate True Morality? (Video)

Greg responds to the atheist claim that true morality can only exist without the enticement of reward or the threat of punishment.

Blog Post | Ethics | Greg Koukl | December 11, 2017