英语翻译人只有睡着的时候才是独立的.无论如何.不以物喜,不以己悲.

1.One is by himself only when he is asleep.
2.However, do never be cheerful for the surprises,and/or sad for the lose of oneself.

people who are independence when sleep
whatever，Not pleased by external gain, and not saddened by personal loss

People is self-existent only when he is asleep.
Anyway,Don't be happy for things,and Don't be sad for yourself.
以下是我在百度搜索找到的“不以物喜,不以己悲”的英语翻译：
not pleased by external gains,not saddened by personnal losses