Hope for the ocean begins with the courage to change.
The key to credible causal inference is not just the method, but how well the method fits the question at hand.
释义：善恶的行为和结果都会非常明显，就像影子紧随着身体一样，无法隐藏。强调了一个人行为的善恶最终都会得到相应的显现和回报。