The only thing we have to fear is fear itself.
数学的美在于它能够用一种既精确又普遍的语言来描述宇宙。
我是个拼命三郎,我只想让你知道。
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.