The Langlands program is a framework for understanding the deeper structures of mathematics.

Safety is not just a priority, it's a value. We must live it every day.

Not necessarily your mother, or indeed mine, but, as it were, the ideal mother, somebody who doesn't care about your achievements. Unfortunately, most people are not our mothers. Most people make a strict correlation between how much time, and if you like, love -- not romantic love, though that may be something -- but love in general, respect --they are willing to accord us, that will be strictly defined by our position in the social hierarchy.

You can't change the past, but you can shape the future.

Music has taught me humility and gratitude.

Quality is remembered long after the price is forgotten.

——《在石家庄国民党交通部欢迎会的演说》（1912年9月21日）

Sustainability in mining isn't an option—it's a necessity for our future.