The tree is inverse or just opposite of the human, created by the nature for a perfect balance.
* Trees donot move
* Humans move
* Tree's Root is under the earth
* Man's Root (Brain) works above head
* Tree takes bad and gives good (Eat's man's wastes)
* Eating and drinking of trees cannot be seen outside
* Man takes good and gives bad* Eating and drinking of humans can be seen outside
* Trees Breath through leaves. Flowers and fruits are reproductive.
* Tree Takes CO2 and gives O2
* Humans Breath through lungs. * Human Takes O2 and gives CO2 * Tree Takes CO2 and gives O2
* Tree's Internal organs are seen outside
* Human's Egg or ovary are not seen outside
* Trees Cannot see and hear
* Humans Can see and hear
* The fire energy is mainly sun
* It has it's own fire energy
* Output is only to give others
* Talking, walking and doing things are output
In olden days people used to sit under the tree for prayers, studies and judgements etc. Since it is a reverse of human, they were getting a complete mental and physical balance with the cosmos under the tree.