The aim, if reached or not, makes great the life.

The greatest proof of our intellect is our ability to perceive our own limitations.

真相并不总是美丽的，美丽的话语也不一定是真相。

采矿业的未来在于创新和负责任的资源管理。

The past is always tense, the future perfect.

Success is not final, failure is not fatal: it is the courage to continue that counts.