女性劳动力参与的历史并非稳步上升，而是一个时断时续的故事。
The best mathematics is not just logical—it is intuitive and beautiful.
The only real prison is the one you build for yourself.
Leadership means making tough decisions today for a better tomorrow.
Symmetry is a complexity-reducing concept (co-routines include subroutines); seek it everywhere.
Only continuous learning can keep us invincible in fierce competition.