今天投资于负责任林业的每一美元，明天都会成长为一百美元的环境和经济价值。
The rat in the maze is not just learning a series of turns, but is building up a cognitive map of the whole situation.
在权威人士错误的问题上坚持正确是危险的。
The writer is delegated to declare and to celebrate man's proven capacity for greatness of heart and spirit—for gallantry in defeat, for courage, compassion and love. In the endless war against weakness and despair, these are the bright rally flags of hope and of emulation.
La literatura es una forma de resistencia, de mantener viva la memoria y de cuestionar la realidad.