最伟大的突破往往来自意想不到的地方。
The greatest breakthroughs often come from unexpected places.
你看到了，但你没有观察到。
Doubt is the beginning of wisdom, not its enemy.
God is at home, it's we who have gone out for a walk.
What we learn from history is that people don't learn from history.
To die for one's country is such a worthy fate that all compete for so beautiful a death.