You learn more from losing than from winning.
可持續(xù)性不是一種選擇,而是我們對(duì)下一代的責(zé)任。
"To live is to choose, but to choose well, you must know who you are and what you stand for."
"A great book is a friend that never lets you down."
數(shù)學(xué)是一種創(chuàng)造性的努力,就像藝術(shù)或音樂一樣。