To solve a problem it is necessary to think. It is necessary to think even to decide what facts to collect.

To solve a problem it is necessary to think. It is necessary to think even to decide what facts to collect.

解决问题需要思考。甚至在决定收集哪些事实时，思考也是必要的。

-- Robert M. Hutchins 罗伯特·M·哈钦斯