意指任何收获都需要付出相应的代价。
合作很美妙,因为它会带你到独自一人无法到达的地方。
The body is the primary site of meaning.
悔恨自己的错误,而且力求不再重蹈覆辙,这才是真正的悔悟。
天空是极限,对吧?
Theorems are the permanent literature of mathematics.