> For the complete documentation index, see [llms.txt](https://www.oulan.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.oulan.com/2018/01/17.md).

# 17

曾经看过一片石头，被人涂上了各色各样的表情。想着亿万年前他们坚硬的存在，时光和岁月磨平了每一寸棱角。改变虽慢，终须要变。早安，世界。早安，未来。早安，找到一片改变的石头吧。

![](/files/-MTThnx7y7_SVRfC0TLz)