The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards - and even then I have my doubts.

The human brain is wired to seek patterns and make connections, even when they don't exist.

The relationship between wages and employment is not as straightforward as some models suggest.

有时最重要的实验是那些失败的实验，因为它们教会我们什么是行不通的。

Happiness is holding someone in your arms and knowing you hold the whole world.