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The world is full of obvious things which nobody by any chance ever observes.

當我在舞臺上時，我感覺就像在家里一樣。

"The best leaders are those who develop other leaders."

Farmers' income growth cannot rely solely on policies, but more on market mechanisms and industrial upgrading.

釋義：他強調空氣密度對于物質形態的決定性作用，認為物質的形態和性質都受到空氣密度的影響。

"I never doubted myself."

如果可能的話，和平；無論如何，真理。