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Your voice can change the world.

The elements of consciousness are to be isolated by experimental means.

There is a stubbornness about me that never can bear to be frightened at the will of others. My courage always rises at every attempt to intimidate me.

最深刻的理論往往源于最簡單的觀察。

第一代雜種的同一性，第二代的不相似性，是精確觀察者無法忽視的事實。