你给予的越多，得到的也越多。
我训练时就像我不是最好的，这样我才能保持最好。
One day in perfect health is far better than an eternity in any other state.
We've had three big ideas at Amazon that we've stuck with for 18 years, and they're the reason we're successful: Put the customer first. Invent. And be patient.
The greatest trick the Devil ever pulled was convincing the world he didn't exist.
好的计量经济学就像好的木工——关键在于为工作使用正确的工具。