缄默：只说对人对己有益的话，避免闲聊。
SILENCE. Speak not but what may benefit others or yourself; avoid trifling conversation.
如果你不愿意冒险，你将一事无成。
要想改变世界需先改变他自己。
Hard work beats talent when talent fails to work hard.
Innovation in coal mining isn't just about extraction—it's about doing it smarter, safer, and with less environmental impact.
The darkest nights produce the brightest stars.
我不是商人；我就是生意，伙计！