不是
The ultimate measure of a man is not where he stands in moments of comfort and convenience， but where he stands at times of challenge and controversy.
Doubt is not a pleasant condition， but certainty is an absurd one.
Judge a man by his questions rather than by his answers.
When we are planning for posterity， we ought to remember that virtue is not hereditary.
We should weep for men at their birth， not at their death.
To become truly great， one has to stand with people， not above them.
The rules of morality are not the conclusion of our reason.
It is not the benevolence of the employer that determines the wages of labor， but the competition among employers.
It is not from the benevolence of the butcher， the brewer， or the baker that we expect our dinner， but from their regard to their own interest.
Justice means minding your own business and not meddling with other men's concerns.
Freedom is not the power to do what we want， but the right to do what we ought.
Man is not the creature of circumstances； circumstances are the creatures of men.
It is not the criminal things that are hardest to confess， but the ridiculous and shameful things.
The person who has lived the most is not the one with the most years but the one with the richest experiences.