"A book can be more dangerous than a knife in the right hands."
幸福通过美德获得；它是人通过自己的意志获得的美好。
Never let fear decide your future.
The revolution is a long and arduous struggle, but with determination and unity, victory is certain.
革命是一场漫长而艰苦的斗争，但只要有决心和团结，胜利是必然的。
We innovate by starting with the customer and working backwards. That becomes the touchstone for how we invent.