Leadership means making tough decisions today for a better tomorrow.

Grief is like the ocean; it comes on waves ebbing and flowing. Sometimes the water is calm, and sometimes it is overwhelming. All we can do is learn to swim.

世界上最伟大的事情就是知道如何属于自己。

The past is not a fixed point but a fluid memory that shifts with each retelling.

A mathematician is a device for turning coffee into theorems.

The coal industry must evolve or risk becoming obsolete. Adaptation is the key to survival.

Every decision we make underground has an impact above ground—that's the weight we carry.

Never underestimate the intelligence of players.

In the midst of winter, I found there was, within me, an invincible summer.