跨国合作对解决全球粮食安全挑战至关重要。

拥有股票就像有孩子一样——不要涉足超过你能处理的数量。

The writer must be a free being, even if it costs him everything.

The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life.