The secret of change is to focus all of your energy not on fighting the old, but on building the new.
The dead are our teachers, if we know how to listen.
 “每逢你想要批评任何人的时候”,他对我说,“你就记住,这个世界上所有的人,并不是个个都有过你拥有的那些优越条件。”
Precision is not just a goal in our experiments; it's the very language through which nature speaks to us.