细节不是细节。它们成就了设计。
To do mathematics is to engage in a dialogue with the universe, seeking answers to questions we may not even know how to ask yet.
The most important thing in science is not to be afraid to ask questions.
The more one forgets himself—by giving himself to a cause to serve or another person to love—the more human he is.
Life taught me that even in the darkest moments, there is always a light.
Forests are the lungs of our planet; we must treat them with the respect they deserve.