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.
Understanding the past is essential for designing policies that can shape a better future.
解析:菩提比喻智慧,明镜比喻清净心。本来清净,又哪里会染上什么尘埃?