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That is what learning is. You suddenly understand something you've understood all your life, but in a new way.

One ought never to turn one's back on a threatened danger and try to run away from it. If you do that, you will double the danger. But if you meet it promptly and without flinching, you will reduce the danger by half.

Sustainability isn't an option anymore—it's a necessity for any business that wants to thrive in the 21st century.

勇氣不是沒有恐懼，而是戰(zhàn)勝恐懼。