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The only thing that matters is what you do, not what you think or say or feel.
教育的最大的秘诀是:使身体锻炼和思想锻炼互相调剂。
Sustainability isn’t an option; it’s the only path forward.
It is to the credit of human nature, that, except where its selfishness is brought into play, it loves more readily than it hates.