过去是知识的源泉，未来是希望的源泉。热爱过去意味着对未来的信心。
A well-tied tie is the first serious step in life.
The truth is that parents are not really interested in justice. They just want quiet.
To write a good love letter， you ought to begin without knowing what you mean to say， and to finish without knowing what you have written.
Collaboration across industries is key to solving the complex challenges of decarbonization.