对称性是降低复杂性的概念（协同例程包括子例程）；到处寻找它。
Symmetry is a complexity-reducing concept (co-routines include subroutines); seek it everywhere.
Innovation in quarrying isn't just about new machinery; it's about reimagining how we interact with the earth and communities.
旅行对偏见、固执和狭隘是致命的。
Every book is a door to a new world, a new perspective, a new understanding of life and existence.