——1963年6月25日在西德市政厅柏林墙前的演说

I think it matters whether someone has a good heart.

At the core of all anger is a need that is not being fulfilled.

Foreign powers do not seem to appreciate the true character of our Government.

需要很多坏主意才能带来一个好主意。

The architecture of cognition constrains the forms of knowledge representation.