Memory is like the sea, throwing onto the shore what it wants to hide in the depths.
"الذاكرة مثل البحر، ترمي على الشاطئ ما تريد إخفاءه في الأعماق."
The best way to learn mathematics is to do mathematics.
快乐不在于占有这个人。快乐在于此。房间里有了另一个竞争者。
You can reduce the annoyance of someone’s stupid belief by increasing your understanding of why they believe it.
Sustainability isn't an option; it's a necessity for the future of our planet.
睡得早起得早，使人聪明、富有、身体好。