世界因你的榜样而改变，而不是因你的观点。
"The world is changed by your example, not by your opinion."
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.
If knowledge can create problems, it is not through ignorance that we can solve them.
Truth never damages a cause that is just.
Iteration is the key to innovation. You have to keep refining and improving your ideas until they work.