[allmendream]

Life existed for many many years on Earth before there was even a hint of intelligent tool using life.

We haven't yet risen up out of our ‘likely to nuke ourselves into oblivion any day now’ stage, and may well never reach the ‘the stars are our playground’ stage.

Heck, if the physics don't work out correctly there really isn't a ‘the stars are our playground’ stage.

Imagine also there may be a cosmic ‘booby trap’ waiting in Physics - you are the fist person in your intelligent tool using culture to discover the ‘Ygzog’ principle - unfortunately discovery of this principle released enough energy to reduce your planet to a cinder. Ooops.

[Cheburashka]

Imagine also there may be a cosmic ‘booby trap’ waiting in Physics - you are the fist person in your intelligent tool using culture to discover the ‘Ygzog’ principle - unfortunately discovery of this principle released enough energy to reduce your planet to a cinder. Ooops.

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I hate when that happens.

[DManA]

Lack of evidence isn’t proof that intelligent life didn’t evolve multiple times on Earth.