爱是唯一让生活可以忍受的东西，但它也是我们最大痛苦的来源。
Love is the only thing that makes life bearable, but it is also the source of our greatest pain.
All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.
效率和道德必须齐头并进；没有另一方，任何一方都无法蓬勃发展。