When the wind blows through one's hair, most people feel cool and relaxed.
That is the direct sensation the wind can bring to a person.
Experienced farmers can predict potential rain in certain areas by the direction of the wind and the position of clouds.
Professional meteorological observation institutions, using the data from a network of weather stations, can grasp climate changes within a thousand miles.
For the same piece of information, subjects with different cognitive abilities can extract completely different gains from it.
This cognition depends not only on the cognitive abilities of the subject, but also on the dimensions of thought.
The more comprehensive the dimensions of thought, the closer it can approach 'truth'.
This truth is not philosophical but an objective understanding of a matter or a thing.
In fact, everyone can step by step approach the summit of this cognitive mountain.