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"How long did it take you to cut down this tree?"

"Less than ten minutes."

"How old is it?"

"I don't know, count its rings."

"I counted, three hundred years old, more than three hundred years old. It was still the Ming dynasty when it sprouted. How many storms it has experienced and witnessed, but you sawed it down in just a few minutes. You really don't feel anything? "

"What do you want me to feel? Is it not just a tree? The most important thing in this forest is trees, and there are many older pine trees! " ? -Trisomy

People are all the same, with different levels of thinking and different dimensions of realm. If you don't think in one dimension, you can't communicate effectively anyway. A famous saying in the novel "Three-body" is the blow of dimensionality reduction. This may be the ultimate password for Wei Liu to solve many problems.

The core idea of dimension reduction is transformation. Many of Einstein's questions were inspired by playing the violin and found the answers. The reason for the decline in the sales of instant noodles of Master Kong is the rise of takeaway. The emergence of Alipay has killed a large number of thieves, and they are irrelevant. Can you say that there is no strong internal connection behind these seemingly jokes?

The invincible part of dimensionality reduction is to destroy you, which has nothing to do with you. That big tree has been struggling for 300 years. It can be said to be great in front of grass, but it is as fragile as a piece of paper in front of human chainsaws. What about us humans?

This world, from a tiny ant to a vast universe, is not a lonely existence. Me, us and our problems are a whole.