Alternative form of God helps those who help themselves

Granting someone a limited concession will encourage them to take greater liberties.

Dated form of give them an inch and they'll take a mile.

(informal) To be young, and therefore have many years left to live and experience life.

(informal, vulgar) To tell someone an obvious lie.

(chiefly in the negative) To trust somebody at all; to have any trust in a person whatsoever.

One should treat others as one would like others to treat oneself; an expression of the golden rule.

Alternative form of you can lead a horse to water, but you can't make it drink

(reflexive) The reflexive case of they, the third-person plural personal pronoun. The group of people, animals, or objects previously mentioned, as the object of a verb or following a preposition (also used for emphasis).

A subject, now especially of a talk or an artistic piece; a topic. / A concept with multiple instantiations.