我了解到你必须足够坚强才能独自站立，足够聪明才能知道何时需要帮助，并且足够勇敢去寻求帮助。
I've learned that you have to be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.
Every story has an end, but in life every end is a new beginning.
要了解程序，您必须同时成为机器和程序。
"The world is a book, and those who do not travel read only one page."
Coal is China's main energy source and will remain the cornerstone of China's energy security for a long time to come.