To tax the larger incomes at a higher percentage than the smaller， is to lay a tax on industry and economy； to impose a penalty on people for having worked harder and saved more than their neighbors.
Over one's mind and over one's body the individual is sovereign.
The individual is not accountable to society for his actions in so far as these concern the interests of no person but himself.
The only freedom which deserves the name is that of pursuing our own good in our own way， so long as we do not attempt to deprive others of theirs， or impede their efforts to obtain it.
A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.
The worth of a state， in the long run， is the worth of the individuals composing it.
行动是正确的，因为它们倾向于促进幸福；错误是因为它们倾向于产生与幸福相反的结果。
战争是可怕的，但不是最可怕的事情；道德和爱国情感的衰败和堕落，认为没有什么值得战争，更糟糕。
风俗的专制无处不是人类进步的阻碍。
对较大收入征收较高比例的税收，等于对工作和节俭征收了一项税收；对人们因为工作更努力、储蓄更多而征收罚款。
在自己的思想和身体上，个体是主权者。
个体在其行为涉及除他自己以外的其他人的利益时，对社会没有责任。
唯一值得被称为自由的自由是追求我们自己的幸福，以我们自己的方式，只要我们不试图剥夺他人的自由，或妨碍他们争取幸福的努力。
I have learned to seek my happiness by limiting my desires， rather than in attempting to satisfy them.
It is better to be a human being dissatisfied than a pig satisfied； better to be Socrates dissatisfied than a fool satisfied.
Society can and does execute its own mandates， and if it issues wrong mandates instead of right， or any mandates at all in things with which it ought not to meddle， it practices a social tyranny more formidable than many kinds of political oppression， since， though not usually upheld by such extreme penalties， it leaves fewer means of escape， penetrating much more deeply into the details of life， and enslaving the soul itself.
Liberty consists in doing what one desires.
The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.
A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.