A method of solution is perfect if we can foresee from the start, and even prove, that following that method we shall attain our aim.
过去总是在变化。它不是固定的。过去并不稳定。
互联网是协作的地方,但它也需要信任。
The key to solving complex problems is to break them down into manageable pieces.
写文章必须追溯六经的源头,并参考诸子百家和史书的写法。
过去从未死去。它甚至还未过去。
A lie can travel halfway around the world while the truth is putting on its shoes.