(idiomatic) To be independent; to survive without any help.

To take a decision that will have personally adverse consequences.

(idiomatic) To deal with a problem alone instead of waiting on others (often persons who are responsible and have failed to deal with the issue).

(colloquial, idiomatic) An admonition of cowardice, usually said to make someone cease harassing or bullying someone else, especially where the bullied party is physically smaller or weaker than the bully.

One should not expect a reward for good deeds, but should perform them merely for the satisfaction of doing so.

Alternative form of march to the beat of a different drum

Alternative form of march to the beat of a different drum

(humorous) Said as a mild admonishment to somebody who is always late for things.

Alternative form of take the law into one's own hands

(intransitive, idiomatic) To punish someone according to one's own idea of justice, without consideration for the role of law enforcement authorities.