The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

Hold to the now, the here, through which all future plunges to the past.

我不是那种会让我的城市失望的人。

我们与孩子交谈的方式会成为他们内心的声音。

Education is the art of making man ethical.

"We sleep safe in our beds because rough men stand ready in the night to visit violence on those who would do us harm."

"الوطن ليس مجرد مكان، بل هو ذاكرة وحكاية."

做你自己，别人都已经有人做了。

We are all experiments in progress.