我整洁、干净、刮了胡子、清醒，而且我不在乎谁知道。

Rent is that portion of the produce of the earth which is paid to the landlord for the use of the original and indestructible powers of the soil.

He who can, does. He who cannot, teaches.

The human condition is one of constant struggle, but it is also one of endless possibility.

Efficiency in mining isn't just about cost-cutting; it's about maximizing value while minimizing waste.