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The only limit to our realization of tomorrow is our doubts of today.

The individual has become a mere cog in an enormous organization of things and powers which tear from his hands all progress, spirituality, and value in order to transform them from their subjective form into the form of a purely objective life.

The forest doesn’t need us; we need the forest.

Success is not final, failure is not fatal: It is the courage to continue that counts.

科技領域最危險的話是"我們一直都是這么做的"。