老脑筋就像老马；如果你想保持它们的工作状态，就必须锻炼它们。
Old minds are like old horses; you must exercise them if you wish to keep them in working order.
一本好的图画书就像一个好笑话——需要完美的时机。
Change is inevitable; how you respond defines your success.
The difference between a policy and a crusade is that a policy is judged by its results, while a crusade is judged by how good it makes its crusaders feel.
我感激每一刻，无论好坏。