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Never underestimate the power of a single idea to transform the world.
Psychological truth is what stands the test of life.
In quantum mechanics, the act of measurement can change the state of the system being measured.
创造性力量很容易变成破坏性力量。这只取决于人们的道德人格:是用此力量做好事或做坏事。如果人们缺乏这种道德人格,则没有一种说教能够提供它或取而代之。