A struggle for existence inevitably follows from the high rate at which all organic beings tend to increase. 一切生物都有高速率增加的傾向，因此不可避免地就出現了生存鬥爭。
The species has evolved to the point where it understands itself, and can seek to escape the brutal handcuffs of nature and end the struggle for existence. 物種已經進化到可以了解自己的程度，而且可以選擇逃離大自然野蠻的掌控並且為生存鬥爭畫上句號。
An implicit struggle for survival ensues. 生存競爭產生。
In the wild struggle for existence, we want to have something that endures. 在激烈的生存競爭中，我們想獲得一些耐受力強的東西。
