Wiktionary
fish or cut bait
vb. (context idiomatic English) To make a decision, especially after a period of delay; to either take action now or forgo the opportunity.
Wikipedia
Fish or cut bait
Fish or cut bait is a common English language colloquial expression, dating back to the 19th-century United States, that advises for teamwork. The use of this expression has expanded over time, sometimes including the ideas of swift decision-making (to act or not to act), and cautions against procrastination and/or indecisiveness.
Usage examples of "fish or cut bait".
If what you think you want can only be got with injustice and getting your hands dirty and trampling over friends and strangers-then understand what it will do to others, what it will do to you, and either fish or cut bait.