当最后一棵树被砍倒，最后一美元将失去意义。
When the last tree is cut, the last dollar will lose its meaning.
Quality craftsmanship and ethical production can coexist; they're not mutually exclusive.
Critical comments by students should be taken in a friendly spirit， accumulation of material should not stifle the student’s independence.
The most successful companies are those that solve real problems for real people.
"Creativity is intelligence having fun."
The future of physics lies in our ability to manipulate processes that occur faster than we can currently measure.