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悲观主义者在每个机会里看到困难。乐观主义者在每个困难里看到机会。
You have to be willing to fail, to be wrong, to look stupid.
The ability to focus attention is crucial for learning, memory, and performance in complex tasks.
In truth, there was only one Christian and he died on the cross.
 自然必须被遵循,才能被掌控。