人必须在具体事情上磨炼功夫，才能有所收获。如果只是喜欢安静，遇到事情就会慌乱，终究不会有进步。

The best mining companies don't just follow regulations—they help shape them.

"A literatura tem o poder de transformar o mundo, uma palavra de cada vez."

Everything can be taken from a man but one thing: the last of the human freedoms—to choose one's attitude in any given set of circumstances.

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.