The educator has the duty of not being neutral.
教育者有责任不保持中立。
"The value of a man should be seen in what he gives and not in what he is able to receive."
Art is not a luxury, but a necessity.
"The more that you read, the more things you will know. The more that you learn, the more places you'll go."
数学的美在于它能够将复杂的思想简化为优雅的结构。
The only thing we have to fear is the censor.
对付一个不自由的世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反抗。