谨慎坚定善良的本性，则心灵安定；收敛抑制浮燥之气，则心气平和。

Each monad is a center that infinitely reflects the surrounding universe.

煤炭的未来在于清洁高效利用。

The strongest is never strong enough to be always the master， unless he transforms strength into right， and obedience into duty.

Violence leaves scars that never fully heal.