We envision a world in which people flourish throughout the third third of life.

Through resources, teaching, gatherings, coaching, and church partnerships, we equip older adults with the wisdom of Scripture and the insights of science, so they may live with purpose and joy as they contribute to the flourishing of others.

Welcome from Mark

Founder and Executive Director of the Third Third Institute

Featured Resources

A Biblical Vision for Flourishing in the Third Third of Life

The Bible underscores multiple ways older adults contribute to God’s work creatively and redemptively.

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The Beauty of Fall and the Third Third of Life

I wonder if we might come to appreciate the beauty of older people much as we appreciate the beauty of autumn leaves.

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Flourishing in the Third Third of Life: The Promise of Psalm 92.

For those of us who are in the third third of life, or who are soon to enter it, Psalm 92 offers extraordinary good news.

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The Secret to Aging Well? Contentment”

It’s easy to say our contentment needs to be in Christ. It’s much hard to learn to experience this reality, especially in times of loss, loneliness, and suffering. Yet, it is often in these times that we realize most profoundly that our self-reliance isn’t work, that we much rely on the only One who is fully reliable.

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How Much TV Do Older People Watch and Does It Matter?

Older adults in the United States watch more TV than we might think. Does it matter?

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Flourishing in the
Third Third of Life

A six-week online course designed to people flourish in the third third of life. Created by Mark Roberts, this course is sold through the De Pree Center at Fuller Seminary.

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