一切都有价值，只要灵魂不渺小。
Tudo vale a pena quando a alma não é pequena.
一本儿童书是他们参观的第一个艺术画廊。
科学的进步不仅依赖于知识的积累，还需要有挑战未知的勇气。
If one hears bad music it is one's duty to drown it by one's conversation.
The strength of a political system lies in its ability to adapt to changing circumstances.
Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
