世界上最好和最美丽的东西是看不见甚至摸不着的——它们必须用心去感受。
"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."
改变的秘诀是将你所有的精力集中在建设新事物上,而不是与旧事物斗争。
"The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them."