The first lesson of economics is scarcity: There is never enough of anything to satisfy all those who want it. The first lesson of politics is to disregard the first lesson of economics.

我早该猜到，在她那可笑的伎俩后面是绻绻柔情啊，花儿是如此天真无邪！可是我毕竟太年轻了，不知道如何去爱她。

Be prepared: When you are 90% done any large project (a house， a film， an event， an app) the rest of the myriad details will take a second 90% to complete.

Success is not final, failure is not fatal: It is the courage to continue that counts.

Science is the torch that illuminates the world.