仕则优则学，学而优则仕。
做好了官，有余力就要学习，学习好了，有余力就去做官。
The poet is a man who plants a tree and then sits in its shade.
看东西只有用心才能看得清楚，重要的东西用眼睛是看不见的。
Beauty in things exists in the mind which contemplates them.
真相很少是纯粹的，也从不简单。
Memory is a fragile boat adrift on the sea of time.
跨国合作对于解决全球粮食挑战至关重要。