The only way to get to the top of the ladder is to climb it step by step.

技术只是一个工具。真正的挑战是明智地使用它。

Luck has nothing to do with it, because I have spent many, many hours, countless hours, on the court working for my one moment in time.

嗅觉系统是大脑如何从环境中解码复杂信息的一个显著例子。

农业的可持续性不是一种选择，而是对后代子孙的必要责任。

The motor of our ingenuity is the question ‘Does it have to be like this?’, from which arise political reforms, scientific developments, improved relationships, better books.

To tax the larger incomes at a higher percentage than the smaller， is to lay a tax on industry and economy； to impose a penalty on people for having worked harder and saved more than their neighbors.