民主的未来取决于其适应新挑战和自我更新的能力。

The beauty of physics lies in its ability to explain the simplest phenomena with the most profound theories.

A composer's biography is written in his scores, not in his letters or diaries.

Wages depend on the price of necessaries required for the support of the laborer.

The historian walks a tightrope between fact and imagination.

优雅不是可有可无的奢侈品，而是决定成功与失败的品质。