Comment: Ok, certainly having studied

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Ok, certainly having studied

Ok, having studied evolution, I would contend that it is almost impossible that in the trillions of other star systems there should be no life.

Once you accept that there may be life, the emergence of intelligence seems to be a matter mostly of time. But testimonies do not constitute hard proof, and if there is any topic for which hard proof is vital to convince skeptics ( me being one of them), this is it.

Disclaimer: Not skeptical about alien life, only of such life having visited earth.