Optimism is a learned skill. Once you learn it, you can improve your life in every way.
Every building is a journey of discovery.
不平等并非不可避免。它是我们通过制定的政策所做出的选择。
Systems have sub-systems and sub-systems have sub- systems and so on ad infinitum - which is why we're always starting over.
The only performance standard is Zero Defects.
"The best children's books are the ones that make children think."