[lcall]

Learn and serve others. Develop virtues, and skills, and grow, and become better, fulfilling one's potential.

Just learning math or musical improvisation can fill a lifetime. Etc.

(I thought a great challenge would be the sport of starting with an empty field, just the clothes one is wearing, and access to wikipedia, and see how quickly one can develop technologies from survival up to smart phones, while trading only with others similarly engaged.)

The article suggests these things. But, so much more could be said. I believe our spirits are children of God, with infinite potential, and much to learn...