I never buy anything unless I can give a good reason why I think it will go up.

I think it's important to stay grounded and remember where you came from.

I like the freedom of making my own choices.

The best way to learn mathematics is to do mathematics.

我不怕别人说我什么，我怕的是我可能会回击的话。

《诗经》上说“必须选择所使用的染料，必须谨慎地来浸染”，就是这个意思。 

The problem is not that people are taxed too little, the problem is that government spends too much.