Definition
It is wiser to be cautious and avoid unnecessary risks in dangerous or difficult situations.
审慎而行比鲁莽冲动更明智。
Faced with the angry protesters, he chose to retreat back into the building, as he felt that 'discretion is the better part of valor'.
面对愤怒的抗议者，他选择退回到大楼内，因为他觉得『谨慎是勇气的一部分』。
Although she wanted to argue back, she knew that 'discretion is the better part of valor', so she remained silent.
虽然她想要争辩，但她知道『谨慎是勇气的一部分』，所以她保持沉默。
When it comes to investing, don't be too aggressive; sometimes, 'discretion is the better part of valor'.
在投资时，不要过于激进；有时候，『谨慎是勇气的一部分』。