世界上最好和最美丽的东西是看不见甚至摸不到的——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.
微:小。邪:邪恶,坏事。小的坏事,是大坏事产生的根源。量的渐变必然导致质的突变。小事不注意,必铸成大错。
证明的目的是理解,而不仅仅是验证。
"Language is the bridge between the visible and the invisible."