My good opinion once lost is lost forever.

量子理论的发展表明，经典的空间和时间概念不足以在最基本的层面上描述物理世界。

You have to believe in yourself when no one else does. That's what makes you a winner.

【译文】树应该遗憾自己的枝上长不出叶子，不要抱怨太阳偏心眼。人的一切都是命中注定的，一星半点也由不得自己。

The artist must be a perpetual beginner.

The way to make progress is to acknowledge ignorance.

The most important thing in a computer network is the protocol.

The laws of physics are the language of the universe, and through them, we can begin to comprehend the vastness and complexity of all that exists.

The database is the most important piece of software in the enterprise, and the most important piece of software in the enterprise is the database. The database is the foundation of all applications. The database is the heart of the application, and the application is the heart of the business.