说话是一种冒险，但沉默是更大的冒险。
To speak is to risk, but to be silent is to risk more.
可持续发展始于小步，但需要大视野。
每个侦探都背负着自己的黑暗。
All things are possible until they are proved impossible and even the impossible may only be so, as of now.
La verdadera libertad es la libertad de pensar, de crear, de soñar.
现代采石要求我们同时成为地质学家、生态学家和社区外交官。