When you shake hands with somebody, you must look him in the eye.

Source: Tatoeba

First Contact became humanity's salvation as it was at the brink of self-destruction.

Source: Tatoeba

Tom was exposed to a wide variety of music as a child through his mother's vast record collection.

Source: Tatoeba

If we ever came in contact with an alien race, how would we communicate with it?

Source: Tatoeba