坚持的名词英文怎么说

　　There is no courage or persistence in a life without goals.

　　没有目标的生活就没有勇气和坚持。

　　Between input and output, you must find courage and persistence.

　　在投入和产出之间，你必须找到勇气和坚持。

　　Her persistence paid off and she eventually wore me down.

　　她锲而不舍取得成功，终于使我服输了。