This experience, combined with a number of analogous failures, could not fail to throw doubt upon the whole method. It was evident that good results were only exceptions, and that in most cases the principle was not one that could be relied upon. The exceptions might be due to unknown causes, and not to the validity of the method; it became therefore of much more interest to search for the causes than to continue the work along these lines.英文原著 · 《Darwin and Modern Science》
Section 4. The validity of the public debt of the United States, authorized by law, including debts incurred for payment of pensions and bounties for services in suppressing insurrection or rebellion, shall not be questioned. But neither the United States nor any State shall assume or pay any debt or obligation incurred in aid of insurrection or rebellion against the United States, or any claim for the loss or emancipation of any slave; but all such debts, obligations and claims shall be held illegal and void.英文原著 · 《Democracy In America-2》
MURDOCH MACKENZIE, fifth of Dundonnel, who in 1743, married Bathia, daughter of John Paton of Grandholm. In his time was concluded before Lord Mansfield in the House of Lords, a law-suit which existed for four generations between his family and the Rosses of Achnacloich or Tolly, regarding the validity of the sale of the property to Alexander, second of the family, a litigation which ruined the Rosses and involved the Mackenzies of Ardross deeply in debt. He died, and was buried at Rosskeen, having had issue, an only daughter, who succeeded to the property as sixth of Dundonnel,英文原著 · 《History Of The Mackenzies》
My brother Adams has entered so largely into the validity of the act, that I shall not enlarge on that head. Indeed, what has been observed is sufficient to convince the most illiterate savage that the Parliament of England had no regard to the very first principles of their own liberties.英文原著 · 《James Otis The Pre-Revolutionist》
Judged by this standard--and who will challenge the validity of it?--there isn't an honest man in Connecticut, nor in the Senate, nor anywhere else. I do not even except myself, this time.英文原著 · 《Letters Vol. 5》
When spousal privilege is invoked in the moment, prosecution has the right to challenge the validity of the marriage.美剧 · 《Suits》
To make this game even more compelling, You must consider only the contribution Of the man to the field, Not the validity of the field itself.美剧 · 《The Big Bang Theory》