《吕氏春秋·览·孝行览》
如果自身得到了道，那么困窘和显达都是一样的，就象寒暑风雨交替出现一样。
道得於此，则穷达一也，为寒暑风雨之序矣。
If you have obtained the way yourself, then being poor or wealthy is the same, just like the alternation of cold and heat, wind and rain.