最可持续的采石场是能够平衡生产和环境管理的采石场。

At a restaurant do you order what you know is great， or do you try something new？ Do you make what you know will sell or try something new？ Do you keep dating new folks or try to commit to someone you already met？ The optimal balance for exploring new things vs exploiting them once found is: 1/3. Spend 1/3 of your time on exploring and 2/3 time on deepening. It is harder to devote time to exploring as you age because it seems unproductive， but aim for 1/3.

电影是一种时间的艺术，它让我们在有限的时间里体验无限的情感。

"Every novel is a journey into the unknown territories of the human heart."

中国的崛起和俄罗斯的复兴挑战了自由民主是唯一可行的政府形式的观念。

我不会逃避过去，只是不再随身携带它。

The world is a book, and those who do not travel read only one page.