fail to observe

References in classic literature ?
Then, Don Quixote being vanquished, the bachelor knight was to command him to return to his village and his house, and not quit it for two years, or until he received further orders from him; all which it was clear Don Quixote would unhesitatingly obey, rather than contravene or fail to observe the laws of chivalry; and during the period of his seclusion he might perhaps forget his folly, or there might be an opportunity of discovering some ready remedy for his madness.
But though she did not fail to observe the strangeness of her brother's manner, she traced it to another source than the real one.
Alexey Alexandrovitch did not merely fail to observe his hopeless position in the official world, he was not merely free from anxiety on this head, he was positively more satisfied than ever with his own activity.
The secret was well kept, and Lucie was unconscious and happy; but he could not fail to observe that the shoemaker, whose hand had been a little out at first, was growing dreadfully skilful, and that he had never been so intent on his work, and that his hands had never been so nimble and expert, as in the dusk of the ninth evening.
He did not fail to observe the curious equipages--carriages and palanquins, barrows supplied with sails, and litters made of bamboo; nor the women-- whom he thought not especially handsome--who took little steps with their little feet, whereon they wore canvas shoes, straw sandals, and clogs of worked wood, and who displayed tight-looking eyes, flat chests, teeth fashionably blackened, and gowns crossed with silken scarfs, tied in an enormous knot behind an ornament which the modern Parisian ladies seem to have borrowed from the dames of Japan.
Arthur did not fail to observe this; though the difference between the present occasion and the former was not within his power of observation.
I also did not fail to observe your strange manner the moment we met.
I warn you of this beforehand, but you cannot fail to observe it.
He changed his appearance as far as he could, and trusted that the likeness, which you could not fail to observe, would be put down to a family resemblance.
I did not fail to observe, also, the form of the parchment.
Phuc also asked Hanoi city government to close down karaoke parlours and restaurants which fail to observe fire preventive measures.
The police warned in November that women who fail to observe the dress code inside cars would have their cars impounded for a week.