The only real freedom is the freedom to say no.

我认为坚持自己的信念很重要。

Social progress requires the organic combination of individual freedom and social responsibility.

The best way to predict the future is to implement it.

"The true voyage of discovery consists not in seeking new landscapes, but in having new eyes."

结社的能力反过来取决于社区分享规范和价值观的程度，以及能够将个人利益服从于更大群体利益的程度。