我必须谈谈恐惧。它是生命唯一的真正对手。只有恐惧才能击败生命。

几何不仅仅是关于形状；它是关于理解我们生活的空间及其内部的关系。

There can be no permanent progress in the battle against hunger until the agencies that fight for increased food production and those that fight for population control unite in a common effort.

Think globally, act locally.