Knowledge is power. (知识就是力量。)冰冻三尺非一日之寒。/罗马不是一天就建成的。Rome was not built in a day. *要做大事不是一朝一夕就可以成功的。条条大路通罗马。 All roads lead to Rome. *为达到同一目的，可以采取多种手段。1