To know good and evil is not enough； one must also do them.
仅仅知道善恶是不够的，还必须去实践。
"The essence of mathematics lies in its freedom."
The spirit of science lies in constant questioning and exploration, keeping us forever curious about the world.
"A book is a journey you can take without leaving your chair."
After disasters, people lose not only their homes but their communities. Temporary housing should help rebuild both.
成功总需要更多努力。