The best way to learn mathematics is to do mathematics.
學(xué)習(xí)數(shù)學(xué)的最好方法就是做數(shù)學(xué)。
在危機(jī)時(shí)刻，最好的領(lǐng)導(dǎo)者是那些保持冷靜并專注于解決方案而非問(wèn)題的人。
The sea is a place of endless possibilities, a place where the imagination can roam free.
Legal obligations are not merely moral obligations backed by sanctions.