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 future of mining lies in technology and sustainable practices.

研究成功的关键是专注于具有长期影响的基础问题。

我常常觉得，做人最重要的是有心。