Innovation is not imagination out of thin air, but based on a deep understanding of user needs.
创新不是凭空想象，而是基于对用户需求的深刻理解。
在量子力学中，我们必须放弃粒子在测量前具有确定性质的观点。
"The truth is rarely pure and never simple."
I look back on the past, committed a felony little fool, I want to communicate with him and let him understand, but I can't do this, the boy would not see the, only my old trunk.
一个奇怪的事实是，根据是从生物学还是地球物理学的角度来探讨问题，关于地球史前条件的结论完全相反，这反映了我们目前知识的不完整状态。
Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible.
从做必要的事情开始；然后做可能的事情；突然间你就在做不可能的事情了。
你知道得越多，痛苦就越多。