理解的提高有兩個(gè)目標(biāo)：首先，我們自己的知識(shí)增長；其次，使我們能夠?qū)⑦@些知識(shí)傳遞給他人。
The prosperity of a nation is built on the diligence of its people.
Mathematics is the language in which the universe is written.
I believe in pink. I believe that laughing is the best calorie burner. I believe in kissing, kissing a lot. I believe in being strong when everything seems to be going wrong. I believe that happy girls are the prettiest girls. I believe that tomorrow is another day and I believe in miracles.