To ask questions can become the laziest and wobbliest occupation of a mind, but when you must yourself answer the problem that you have posed, you will meditate your question with care and frame it with precision.

提问可能变成头脑最懒散、最摇摆不定的活动；但当你必须亲自回答自己提出的问题时，就会认真思量，把问题表述得准确。