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.

Small-scale fisheries are just as vital as large operations for a balanced ecosystem.

Sometimes, the deepest pain comes from emotions we cannot express.

谦虚：向苏格拉底和耶稣学习。

Some books are to be tasted， others to be swallowed， and some few to be chewed and digested.