我认为保持积极的态度和乐观很重要。

The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.

The condition of mere nature...is a condition of war of everyone against everyone.

I'm not interested in competing with anyone. I hope we all make it.

建筑中最重要的东西是无法被拍摄的。