If you need statistics to find out what you are doing, you probably shouldn’t be doing it.
如果你需要统计才能知道你在做什么,那你可能不应该做这件事。
Believe in yourself, even when no one else does.
勇气并不总是咆哮。有时勇气是一天结束时那个轻声说"明天我再试一次"的声音。