The only limit to our realization of tomorrow is our doubts of today.

发明是需求之母。

语言是一种自由创造的过程；其法则和原则是固定的，但生成原则的使用方式是自由且无限多样的。

"A novel is a conversation across time."

The key to trading success is emotional discipline. If intelligence were the key, there would be a lot more people making money trading.

我不害怕表明立场。

宇宙的扭曲面——黑洞、虫洞、奇点等——对我如此吸引，因为它与日常生活中的平坦欧几里得几何如此不同。