一本書是作者和讀者穿越時間的親密對話。
"Un libro es una conversación íntima entre el autor y el lector a través del tiempo."
A good mechanic is not merely a man who files and hammers, but one who can originate and perfect.
"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding."
你不必成為環(huán)境的受害者。你可以成為環(huán)境的勝利者。
We are not victims of our circumstances. We are products of our decisions.
The question is not whether the thing exists， but whether it has any essence which is capable of existence without us.