The first essential component of social justice is adequate food for all mankind.
The joy of running is not in the finish line, but in the journey.
捕魚(yú)技術(shù)的創(chuàng)新必須與保護(hù)工作齊頭并進(jìn)。
如果沒(méi)有地幔對(duì)流的概念，大陸漂移理論將只是一種猜測(cè)。
Start where you are, with what you have. Make something of it. Never be satisfied.