天下英雄谁能匹敌？唯有曹操刘备。生儿子就应当像孙权那样。

过去是远处的一支蜡烛：近得让你无法放弃，远得无法给你安慰。

Every design is a rigorous attempt to capture a concrete moment in a continuous process.

农业的未来在于平衡生产力与环境责任。

The PAC learning framework provides a formal way to quantify the learnability of a concept class.

获胜的意愿很重要，但准备的意愿至关重要。

真相很少是纯粹的，也从不简单。

The key to success is to focus on goals, not obstacles.