生活中最好的东西是免费的。
The best things in life are free.
The past is a foreign country; they do things differently there.
Most people are afraid of change, but if you look at it like it's something that can always count on, then it can be a comfort．It doesn't have many things that you can count on．
有道德的人能够反思自己过去的行为及其动机。