Try, try, try, and keep on trying is the rule that must be followed to become an expert in anything.

Try, try, try, and keep on trying is the rule that must be followed to become an expert in anything.

尝试、尝试、尝试、再尝试是成为任何领域的专家都必须遵循的规则。

-- W. Clement Stone W.克莱门特石