What is the origin of the idiom "one's life is in one's hands" and when to use it?

The origin of the idiom "one's life is in one's hands" is not attributed to a specific source or origin story. However, the concept of personal agency and the idea that individuals have control over their own lives is a fundamental belief found in various philosophical and cultural traditions. The phrase itself likely emerged from this broader understanding of personal responsibility and self-determination. This expression can be used in discussions about personal growth, goal-setting, and taking charge of one's life. It is also used in situations where individuals are facing important decisions, challenges, or risks, reminding them that they have the ability to shape their own path and determine their own fate.