The past is a shadow that never leaves.
Symmetry is a complexity-reducing concept (co-routines include subroutines); seek it everywhere.
学习不仅仅是寻找模式，而是理解生成这些模式的潜在机制。
A film should be a journey, not just for the characters, but for the audience as well.
The relationship between wages and employment is not as straightforward as some models suggest.
Stay true to yourself, that's the real flex.