没有自由的安全,叫做监狱。
黄莺和鲜花尚且担心春光流逝,怎么可以白白虚度大好时光?
The intersection of biology and technology is where the future lies.
拥有自由、书、花和月亮,哪个人会不快乐?
The essence of mathematics is not just in solving problems but in asking the right questions.