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I try to get rid of people who confidently answer questions about which they don't have any real knowledge.

Everything is hard before it is easy. The day before something is a breakthrough， it’s a stupid idea.

I constantly see people rise in life who are not the smartest, sometimes not even the most diligent, but they are learning machines. They go to bed every night a little wiser than they were when they got up.

人大多由基因和環(huán)境塑造，但在這些限制之內(nèi)，他們有一定的自由選擇自己的道路。

The mind is everything. What you think you become.

我們必須傾聽(tīng)?zhēng)讉€(gè)世紀(jì)以來(lái)與森林和諧相處的土著社區(qū)的智慧。

材料的使用方式有其政治性。

There is no perfect knowledge which can be entitled ours, that is innate; none but what has been obtained from experience.

We thought that we had the answers, it was the questions we had wrong.