Complex sentence: The principle of Tri Hita Karana guides many aspects of Balinese life, and the President of Indonesia, Susilo Bambang Yudhoyono, invoked it in his address to the International Conference on Sustainable Development during APEC 2013, which was held in Bali.
Split into simpler sentences: The principle of Tri Hita Karana guides many aspects of Balinese life. The President of Indonesia, Susilo Bambang Yudhoyono, even invoked it in his address to the International Conference on Sustainable Development during APEC 2013, which was held in Bali.