我们要勇于面对挑战,敢于突破自我。
We must be brave to face challenges and dare to break through ourselves.
可持续发展不是选择题,而是责任。
释义:为人处事,不可任由自己的心性,说话也应谨慎,不能随便发表言论。
The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.
"The truth is rarely pure and never simple."