如果你想成功，你必须愿意做出牺牲。
If you want to be successful, you have to be willing to make sacrifices.
Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems—but as you approach the present, it inevitably seems more and more incredible.
The secret of change is to focus all of your energy not on fighting the old, but on building the new.