如果我们足够明智地正确开发，未来的粮食安全就在海浪之下。

The first fruit of this imagination - and the first lesson of the social science that embodies it - is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

The most important room in a house is the space between people.

在数学中，提出问题的艺术必须比解决问题更有价值。