Coal mining built modern Britain, and we must respect that heritage even as we transition to cleaner energy sources.
解析：比喻立志用功需要循序渐进。
"I don't take anything for granted. I work for everything I achieve."
今天我们播下的每一颗种子都是对后代的承诺。
害怕死亡是无知的表现。
The greatest economic transformations often begin with small, deliberate steps.