For beautiful hair, let a child run his or her fingers through it once a day.
在量子场论的领域中，真空并非空无一物，而是充满了虚粒子的沸腾大锅。
One’s attitude to oneself is the single most important factor in living a long and reasonably happy life.
The world is a puzzle, and the pieces are scattered everywhere.
Only the dead have seen the end of war