Companies that are ‘built to last’ must also be ‘built to change’.
那些‘基业长青’的公司也必须‘为变革而建’。
语言是一个自由创造的过程；其法则和原则是固定的，但生成原则的运用方式是自由且无限多样的。
阅读的行为是一种勇气的行为。
"The most important thing is to stay optimistic."
美玉和石块同匣并放，鱼眼和宝珠一起贯穿。劣马和骏马混杂不分，老牛驾辕，骏马两边。
A key insight in learning theory is that the complexity of a hypothesis class is crucial for generalization.