一個(gè)民族的活力隨天氣和季節(jié)而變化。
The only way to get rid of a temptation is to yield to it.
變化是唯一不變的，而適應(yīng)能力是蓬勃發(fā)展的關(guān)鍵。
耐心和堅(jiān)持是科學(xué)發(fā)現(xiàn)的無名英雄。
The artist must be a witness to his time.
在數(shù)學(xué)中，提出問題的藝術(shù)必須比解決問題更有價(jià)值。