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Don't let anyone tell you that you can't do something.

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.

Sustainability in mining is not an option—it's a necessity for our future.

過(guò)去是一面映照當(dāng)下的鏡子。