We are all fragments, not only of ourselves but of each other.

Sometimes the most important experiments are the ones that fail, because they teach us what doesn't work.

解释：大部分茶都是寒性的，而绿茶却是温性的，体现了茶性质的差异。

The most successful businesses are those that combine strong financial performance with a positive impact on society.

教师必须既是学生的研究者，也是学科的研究者。