"La vida es un laberinto en el que a veces nos perdemos, pero siempre encontramos el camino de regreso."

In mining, efficiency and environmental care must go hand in hand.

"We are all broken, that's how the light gets in."

The Langlands program is a reflection of the unity of mathematical thought.

最好的书会提出问题，而不仅仅是给出答案。