The specific meaning of gaining calmly and losing calmly, striving for the inevitable, and letting nature take its course are as follows:

1. Gain calmly, and lose calmly: Obtaining things must be fair and honest; Take it wisely, benefit yourself without harming others, and have a clear conscience. Everything must be gained and lost. We must look down upon gains and losses. Do not be complacent about gains, and do not worry about losses.?

Source: "Letter from Xu Zhimo to Liang Qichao": "Getting it" I am lucky, but I lost my life."

Translation: Gaining is my luck, losing is destined.

2. Fight for the inevitable and let nature take its course: Only when there is a certain reason can you persist, that is to say The only thing that can be argued and insisted on is the truth, and there should be no forced arguments or unreasonable arguments about three points. All things have their own laws of development and develop naturally in accordance with the original nature of things.

Source: Feng Zikai's "Nature": "As long as you follow the natural instinct, you are the owner of the beautiful gesture, and you can praise it."?

Extended information

Synonyms of letting nature take its course:

1. Be at peace with the situation

Definition: Refers to being able to feel at ease in any environment.

2. Naturally

Interpretation: Free development must be like this. It means that it happens naturally without human intervention.

Quotation: Chapter 18 of Wenkang's "Heroes of Sons and Daughters": "Somehow, there is an indescribable emotion naturally."