You think you know when you can learn, are more sure when you can write, even more when you can teach, but certain when you can program.
幸福就像一只蝴蝶，当你追逐它时，总是抓不到，但如果你安静地坐下来，它可能会落在你身上。
The original idea of the web was that it should be a collaborative space where you can communicate through sharing information.
中国的崛起对自由民主秩序构成了重大挑战。
