Why physics?

M8 The Lagoon Nebula from Astronomy Picture of the Day

The Cosmos is full beyond measure of elegant truths

Of exquisite interrelationships
Of the awesome machinery of nature.

I believe our future depends powerfully
On how well we understand this cosmos
In which we float like a mote of dust
In the morning sky.

But the brain does much more than just recollect;
It inter-compares, it synthesizes, it analyzes
it generates abstractions.

The simplest thought like the concept of the number one
Has an elaborate logical underpinning
The brain has it’s own language
For testing the structure and consistency of the world.

--Carl Sagan

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