比无知更危险的只有傲慢。
The only thing more dangerous than ignorance is arrogance.
The world is full of people who have never, since childhood, met an open doorway with an open heart.
If you surrendered to the air, you could ride it.
人は誰でも、自分が正しいと思っていることをする。
The most important thing in science is not to stop questioning.
哲学是一门苦行僧的学科。
The real hero is the one who knows how to live in peace, not in war.