Happiness is not just the absence of sadness; it's the presence of meaning.

Sustainability in agriculture isn't an option—it's a necessity for survival.

当一扇门关闭时，你要知道，另一扇门正在打开。

煤炭的未来在于更清洁的技术和更智能的资源管理。

Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.