Mathematics is not a spectator sport. You have to do it to understand it.
数学不是一项观赏性运动。你必须亲自去做才能理解它。
The wind carried the scent of the sea, salty and fresh, filling her lungs with every breath.
认证标准不仅仅是文书工作,它们是我们对地球的承诺。
The difference between good and great is the extra effort.
人们哭泣比改变要容易得多。
确实需要一些勇气来承担如此影响深远的工作。
你给予的越多,得到的回报就越多。
"Be yourself, because everyone else is already taken."