Sustainability must be profitable, or it won't be sustainable at all.
可持续性必须有利可图，否则就根本不可持续。
The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.
出自《论语·雍也》，指不把怒气转移到别人身上，不重复犯同样的错误。
"The essence of literature is to capture the fleeting moments of human existence and give them permanence through words."