板块是更深层次地幔对流的地表表现。

用右手画圆形，左手画方形，不能同时画成

Symmetry is a complexity-reducing concept (co-routines include subroutines); seek it everywhere.

"The real voyage of discovery consists not in seeking new landscapes, but in having new eyes."

自我不是现成的东西，而是通过行动选择不断形成的东西。