一个灰色的回忆，怎能抗衡现在的生动与自由。

你永远不会太老去设定另一个目标或梦想一个新的梦想。

The arithmetic of algebraic varieties is a window into the hidden structures of mathematics.

The beauty of literature is that it allows us to live multiple lives, to experience different worlds, to feel the emotions of others.

For every dollar you spend purchasing something substantial， expect to pay a dollar in repairs， maintenance， or disposal by the end of its life.