It is always good to have a problem that you cannot solve. It means you have something to work on.
Some birds are not meant to be caged, their feathers are just too bright.
每一粒麦子都承载着一段历史,但谁会倾听?
如果你因失去了太阳而流泪,那么你也将失去群星了。
随着知识的每一次增长,以及每一种新工具的发明,人类的劳动都会得到简化。