每一种真理都需要经过三个阶段:首先被嘲笑,然后被激烈反对,最后被视为自明之理。
Diplomacy is not an end in itself if it does not advance the interests of the nation.
No hay literatura sin riesgo, sin aventura.
Mathematics is the art of asking the right questions and then finding their answers.
The most important decision is your attitude towards the world.