Every problem in mathematics has a solution; it's just a matter of finding the right path.
数学中的每个问题都有解答，关键在于找到正确的路径。
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.
You don't have to be ruthless to be successful. Kindness and integrity will take you much further.
最有效的发展干预措施往往是最简单的。