Short-term gains should never compromise long-term sustainability.

唯一能让你明智的是你自己的经验。

I've learned that you can't have everything and do everything at the same time.

相对论不仅仅是一个科学理论，而且是一个哲学理论。

The effects of immigration are often localized and context-specific.

做得越多，学得越多；学得越多，能做的就越多。