Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job， buy the very best you can afford.

思想掠过我的心上，如一群野鸭飞过天空。我听见它们鼓翼之声了。

We don't judge content, we just build bridges.

孩子们喜欢安静练习与自由选择。

译文：心能明辨是非，就能快速而又果断处理事情；不忘记礼义廉耻，做人就会一身正气，不与卑污的人同流合污。

The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.

"The only thing we know about the future is that it will be different."