The young do not know enough to be prudent, and therefore they attempt the impossible, and achieve it, generation after generation.
The most valuable resource in our industry isn't underground—it's the people who make it all possible.
Every man has a right to his opinion, but no man has a right to be wrong in his facts.
Curiosity is the engine of intellectual achievement, and humility is its compass.
记忆是我们随身携带的日记。