In the end, we will remember not the words of our enemies, but the silence of our friends.

The beauty of chemistry is that it's everywhere—you just have to look for it.

Emotions are biological signals that prepare the organism for action.

Innovation in coal mining isn't just about extraction—it's about doing it smarter, cleaner, and more efficiently.

The only real prison is fear, and the only real freedom is freedom from fear.

幸福和不幸取决于我们对事物的看法。