What knowledge or discovery would make the world better? Is it a cure for cancer, or other diseases that plague mankind? Would the cure of AIDs make the world better? How about the invention of a transportation vehicle that produced no pollutants? Many of these discoveries will improve life, but will they make a significant improvement in the world?

In the Tip of the Writing Brush, it is said that understand heaven’s truth is important in understanding the intentions of God. What is this truth of heaven? The truth is causality. We must understand that positive acts and thoughts lead to joy, and evil (selfish) thoughts and behaviors lead to suffering. If all human beings understand this truth, there will be only joy in the future. There will be heaven on earth.