The world is a book, and those who do not travel read only one page.
?我既是旁觀者清亦是當(dāng)局者迷。
The only way to have a friend is to be one.
如果不改善個人,就無法希望建立一個更美好的世界。為此,我們每個人都必須為自己的進(jìn)步而努力,同時為全人類承擔(dān)共同的責(zé)任。