最可持续的采石场是能够平衡生产和环境管理的采石场。

The essence of strategy is in the activities – choosing to perform activities differently or to perform different activities than rivals.

"The best books are the ones that make you see the world differently."

我不是天才，我只是比别人更努力。

南怀瑾：色一个字，不单是代表五蕴，连外面宇宙万有形形色色都包在内。……这内外两种色，都是因缘生，无自性，无实体，不可得，根本是性空。现下虽是幻有，毕竟不可得的，所以即色即空，并不是色之外另有个空。

Sometimes the simplest melodies are the hardest to write.

The beauty of life lies in its unpredictability.