A man's errors are his portals of discovery.
现代采石必须将地质学的智慧与工程的创新相结合。
写作就是呼吸，而呼吸就是生活。
Commercial success can be a form of art.
The man who removes a mountain begins by carrying away small stones.
What you get by achieving your goals is not as important as what you become by achieving your goals. At your funeral people will not recall what you did； they will only remember how you made them feel.
