Science is about understanding the world, and medicine is about applying that understanding to help people.
The simplest materials can contain the most complex meanings.
没有重要和显著的艺术形式;只有艺术,而且少得可怜。
Legal rights are not merely the shadows of legal duties.
人类的历史发展表明,最多样化的种族对我们现在所拥有的文明做出了贡献。