Nothing is free; even things that appear free often have to be paid in the end.

(colloquial) Shortened form of there have.

One feels most comfortable at home.

(philosophy) I am able to think, therefore I exist. A philosophical proof of existence based on the fact that someone capable of any form of thought necessarily exists.

Usually said in a situation when the rule is incorrect and unusable.

present participle of there be

In and under that (of a clause to follow later in a document, etc.).

(informal, idiomatic) We have performed an action successfully.

Beyond that.

Indicates disapproval of a situation.