Given a text, write a compressed version of it in a single sentence.

True, the Gettysburg Address was not legally binding, but preambles are never meant to have the status of positive law. They are designed to explain why it is necessary for the government to bind itself to certain objectives.
The Gettysburg Address wasn't legally binding, but preambles aren't meant to have positive law status, but rather to explain why its necessary government to bind itself.

Leonard Bloomfield, having begun with a theory of meaning which emphasized the environment in which objects were present and named, had to add the obvious proviso that we sometimes mention what is not present.
Leonard Bloomfield, begun with a theory that emphasized the environment in which objects existed, had to add that we sometimes mention what is not present.

Above all, Spock admonished parents to trust themselves, to have the courage of their convictions. Yet many parents "at sea"-in search of a sound child-rearing ideology within the morass of clashing dictates-undoubtedly found Spock's directive hard to follow.

Spock admonished parents to trust them. Many parents "at sea" in search of sound child rearing ideology within the morass of clashing dictates undoubtedly found spock's directive hard to follow.

