The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
「人生就只活这么一次。」「错，我们一生只死一次，剩馀的每天都在生活。」
We innovate by starting with the customer and working backwards. That becomes the touchstone for how we invent.
