Look at the colorful trees in fall, they are so beautiful in distance. However, it is so hard to pick one piece of perfect leave without any defects.
The world we live in is a beautiful world. But it is by no means a perfect world, and it never will be.
By its natural force, the world tries to come to a balance at all times. Balanced world is the best status of this planet. What human should do is to understand the natural balance and make efforts along this line.