And he sees old age, he sees sickness, he sees poverty. And this creates a lot of consternation in Siddhartha. He wonders why this is so. Why is there this suffering in the world? And so he decides, once again at age 29, to seek the truth, to try to understand the universe as it is. And remember, this is in India, where it was common practice for religious ascetics to go off into the woods and to meditate about the true nature of reality, try to obtain moksha. So he goes and follows that same practice.