It is never experience to find the answer to the problem,
Because the past experience is no successful demonstration, it is a failed attempt,
On yesterday's road is not the end of tomorrow.
What has taught us in the past is to make the same mistakes less, and learning is the key to opening the way to another world.
When you are in a certain situation, it is difficult to use objective vision to jump out of this dimension to dominate the overall situation.
Often the source of innovation comes from the migration of dimensions.
![The source of happiness and joy comes from a bright heart and from a pair of diligent hands[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)